The blue sea, my youth

Seeing Iori like this, Kohei raised his lips and said contemptuously: "Really, such a small thing distracted me, how shameful."

Takaharu said admiringly: "You can actually endure it, just this once, I admire you, Iori."

"Oh oh..." Iori was very calm about Kohei's ridicule, but was still happy about Takaharu's words after all, only Takaharu said he admired her.

With a 'click' sound, Azusa, who had just woken up, was the first to leave the room, rubbing her belly as she walked, and her chest was shaking, and it was obvious that she was only wearing pajamas.

Behind her, Nanaka, who was also wearing only pajamas, staggered out and greeted sleepily: "Morning, Sanghou..."

Kohei turned his head and looked up at the sky with a nosebleed. Iori patted his shoulder and asked: "What did you see?"

Kohei murmured in reply: "I didn't see it, Lala."

Takaharu turned around and hugged Akemi. Akemi sat in Takaharu's arms and blocked Takaharu's sight with her hands.

Chisa and Aina each pushed one back to the room.

Iori didn't need to say anything more at this time. Senior Tokita: "So you didn't sleep all night?"

Senior Shou: "But you are in good spirits."

"No, I forced myself to fall asleep." Iori said calmly.

"How did you do it?" Kohei was very curious about how he could force himself to fall asleep in this situation.

Iori: "I strangled myself to faint." (Please don't imitate) The few people noticed the handprint on Iori's neck.

Senior Tokita: "It's really a strenuous job."

Kohei was speechless, "Can you be considered asleep?"

Takaharu: "You're really not as good as sleeping on the floor."

"Or sleeping on the sofa is worse than what you're doing." Senior Shou didn't understand Iori's train of thought.

"For various reasons..." Thinking back to yesterday when he wanted to sleep on the sofa, Iori, who was left behind because of Senior Azusa's words of fear of accidental discharge, could only give a brief reply.

Senior Shou: "Anyway, it's good that nothing happened."

Senior Tokita: "We'll make breakfast, you guys go review."

"Okay." ×3

After finishing breakfast, the few of them read for a while. By the way, the seniors' cooking skills are pretty good.

When it was almost time, they came to a diving shop from the villa. There was a special area in the shop for them to take the exam, because there was only a table for six people in that area.

"Are we going to take the written test here?" Seeing that the surrounding environment did not look like a place for professional exams, Iori was very confused.

"Well, this is a store we cooperated with and lent it to us." Nanaka held five sets of test papers, "The equipment we will use later is also rented here."

Kohei looked at the ordinary six-person table, "I thought the exam room would be a very serious place."

Takaharu was not so surprised, "When I knew that the invigilator was Nanaka, I guessed that the exam environment would not be too serious."

Senior Tokita nodded, "The exam itself has a very casual feeling."

Senior Shou: "Basically, it's a four-choice type of questions."

"Oh, is that so?" Aina was a little surprised that the certificate exam was so simple.

"Then why do we study so hard..." Kohei was a little confused.

"What are you talking about?" Senior Tokita emphasized seriously, "Listen carefully, this is knowledge related to life safety."

"No matter how much you learn, you won't suffer." Senior Shou was also very serious.

Seeing the two like this for the first time, Ai Na pointed at them in disbelief and looked back at the three people. Kouhei: "I understand your feelings."

Iori: "Because the contrast between them in their daily lives and as divers is too great."

Takaharu: "But this also shows how reliable they are in diving, doesn't it?"

Amei: "After all, it is related to safety."

"The exam has begun--" Hearing Nanaka's call, the five people started the exam after getting ready.

Thanks to yesterday's serious review, Takaharu found that he had basically seen all the test questions today and answered them very skillfully. The only unexpected situation during the exam was that Chisa came to see Iori's work, but for some reason she suddenly slapped him in the face continuously.

Because he thought of the series of slaps, Takaharu almost couldn't help laughing, but seeing that everyone else was answering the questions seriously, Takaharu still held back.

Not long after, several people finished the exam, and Nanaka directly graded the papers and announced that everyone passed.

After relaxing, Kohei discovered that Iori's face was swollen, "Why is your face swollen?"

Iori replied seriously: "This is the disadvantage of sharpening your sword before the battle."

"Then, let's go to the shallows for actual operation." Senior sister Azusa, who had been waiting beside her, stretched her waist.

"Let's all go to the beach."Senior Tian also stood up.

Noticing Senior Azusa stretching, Aina was a little confused: "By the way, have you been waiting for us?"

Hearing Aina's question, the seniors were very confused and didn't think there was anything wrong, so they asked: "Is there anything wrong?"

"No, no..." Aina hesitated for a moment but still said, "I always feel bad for letting you accompany me for so long..."

"Ahahaha, it's okay." Senior Azusa heard such a cute reason and smiled and rubbed Aina's head to comfort her.

Senior Tokita: "Don't worry about it, it's all a small matter."

Senior Shou: "And if everyone doesn't act together, it will cause trouble to the store."

Senior Tokita: "Don't worry about others, just concentrate on practice."

Senior Shou: "We are willing to do this."

...Beachside...

The few people who changed their clothes squatted on the ground to check the residual pressure of the oxygen cylinder. (Residual pressure refers to the remaining oxygen value in the oxygen tank.)

"What is your initial residual pressure?" Nanaka asked the others after checking her own oxygen tank.

"200." ×5

Nanaka took out the residual pressure gauge and pointed, "Tell me when it reaches 60."

"Yes." ×4.

Iori was a little confused: "What will happen after it reaches 60?"

"60 is a safe time to surface." Nanaka explained.

The others floated on the water first, and Nanaka said: "Well, let's start with the operation of the BCD."

Nanaka took the lead in demonstrating, picking up the inflation valve next to the BCD, and directly pressing the button will inflate and make people float up, and pressing the button after lifting it up will discharge the air and make people sink.

The others lifted the button and pressed it at the same time, but Iori released the button before the air was exhausted, causing him to be stuck on the water surface and unable to go up or down. Although Aina's air was exhausted, she was dragged down by the heavy weight.

The three people who behaved normally stood upright and pressed the button at the same time.

The second item was to clean the regulator. Nanahua demonstrated again. She took off the regulator first, drained the water inside, and then put it on.

There are two ways to drain the water. The first way is to press the drain button, and the second way is to blow directly and drain the water with gas.

Several people did it at the same time, but Iori still had a problem. He let go of the regulator after taking it off, and then started waving his arms up and down. Nanahua went over and persuaded him with gestures before he calmed down.

Mingmei saw him like this and thought of a little trick that Chisa told her before. It was just what to do when you can't find the regulator. The method is to sink your right shoulder, and then swing your arms from bottom to top in a large range, and the hose will hang on your arm.

The third item is to drain the diving goggles. Nanahua first slightly opened the goggles to let the seawater in, and then drained the water. The method is to press the top of the goggles, and then exhale out through your nose, and the seawater will be discharged from under the diving goggles.

Takaharu always felt that this step would easily cause choking if he was not skilled, but he quickly completed it following Nanaka's tutorial.

For some reason, although Iori did not choke, the water was not drained out.

After everyone finished, Nanaka pointed to the residual pressure gauge and gestured to ask how much residual pressure everyone had.

Except for Kohei and Akemi, who were at '80', the other three only had '60'.

Seeing that the three had 60 residual pressure, Nanaka gestured to float up, and then the few people who had just practiced and the few people who had been responsible for emergency response around them began to float up together.

When they reached the shore, they found a sunshade to sit down and put out the lunch boxes they brought.

Senior Shou: "The sea in Okinawa is different."

Senior Azusa: "I want to keep diving."

Senior Tokita: "The weather is very good today."

In the distance, Kohei taunted Iori and Takaharu as he walked, "Huh, you guys only have 60 points left, but I have 80 points left."

Iori: "What? I only had 180 points at first, right?"

Takaharu: "Oh, you are so arrogant with such a high talent. If you don't know, you would think you have 160 points left."

"What are they talking about?" Senior Azusa saw them walking towards this side noisily.

Nanaka, who just walked here, happened to hear it and said, "It seems like they are talking about the remaining residual pressure value."

Senior Tokita: "The value of the floating money?"

Senior Shou: "They really can quarrel about anything."

When they got close to the seniors, Takaharu said, "The seniors must have a lot of residual pressure. Tell them about it to discourage this guy who is proud of the remaining 80 residual pressure."

Hearing this, the seniors were also happy to talk about it. Senior Tokita: "110." Senior Shou: "IThat's right."

Senior Azusa: "120." Chisa had the most left, "130." Nanaka: "The same as Chisa."

Even the biggest seniors had only 110 left, and Takaharu and the other two stopped playing around. Iori was surprised to see that there were still many left except for them, "Can't we continue to dive?"

Senior Tokita: "Maybe."

Kohei: "Then we just float up first, and the seniors continue to dive, right?"

"Ahahaha, that won't work." Senior Azusa objected to Kohei's words.

Takaharu seemed to remember something, "Because diving is a team sport?"

Senior Tokita: "Yes, diving is a team sport." Senior Kotobuki: "As long as one person floats up, everyone has to float up too."

Senior Azusa: "Of course, if there are several coaches accompanying us, it's another matter."

"I see. ”×4, Ai Na was silent for some reason.

Kohei said to the two of them even more sarcastically: "Did you hear me? Don't hold us back, poor students."

Iori: "I don't know what you are so proud of." Takaharu: "Amei, who also has 80 points left, doesn't have as many problems as you."

Kohei: "But this doesn't affect my being better than you."

Iori: "What did you say? The guy who held us back in the tennis match." Takaharu: "Don't forget how you almost got recorded for your ugly behavior."

Amei and Chisa looked at each other and smiled helplessly when they saw the three of them were still making so much noise.

But the two of them also noticed Ai Na who had been dazed beside them. Akemi: "Aina?" Chisa: "What's wrong with you?"

After being called by the two of them, Ai Na came back to her senses and said perfunctorily: "Nothing, nothing."

Iori: "Are you tired?" Takaharu: "Do you want to take a break?" Kohei: "You are not aware enough, corpse-making beast." ”

“Don’t call me a corpse-making beast!” After yelling at Kouhei, Aina took a fitness stance, “I have no problem with both physical strength and awareness! I don’t need to rest at all.”

Chisa: “That’s good…” Akemi: “Don’t think too much.” Nanaka: “Tell me if you feel a little uncomfortable.” Tokita-senpai: “Don’t force yourself by thinking ‘it’s a rare trip to Okinawa’.” Azusa-senpai: “It’s very dangerous to lie in the sea.”

Faced with everyone’s concern, Aina replied loudly: “I know! ”

After everyone had rested, they replaced the oxygen cylinders and checked them, and then moved on to the next project.

This time, they had to exchange the spare second-stage heads. Because it was a two-person exercise, Azusa-senpai and Nanaka-senpai demonstrated together.

The two of them kept diving at the same depth, facing each other. Azusa-senpai gestured that she had no oxygen. Nanaka-senpai took off the spare second-stage head and handed it to Azusa-senpai, then held on to her to float up.

This time, five people took turns to do it, Iori-Kohei-Takaharu-Amei-Aina.

After everyone had done it, Nanaka-senpai asked about the remaining residual pressure.

Amei: “100.” Kohei: “90.” Takaharu: “90.” Iori: “80.” "Aina hesitated for a while, but after Iori looked at her, she gestured 60.

Seeing that Aina's remaining pressure was only 60, Nanaka gestured to float up.

After getting ashore, Akemi wanted to ask Aina what happened just now, but was stopped by Takaharu, "Have you forgotten what I said? Iori is occasionally very reliable."

Sure enough, after a while, Iori took Aina to find the seniors, and Takaharu hurriedly pulled Akemi to follow.

After listening, I realized that Aina had lied about her remaining pressure just now in order to let others dive a little longer.

Senior Tokita: "I see." Senior Shou: "So you care about this."

Aina murmured: "After all, I am a junior."

Senior Azusa squatted down directly, stared at Aina and asked: "Aina, why do you use honorifics to us? ”

“Because you are seniors, it is natural…” Senior Azusa interrupted before Aina finished her words, “It is natural for Aina to respect her seniors. In this case, it is also natural for the respected seniors to be more tolerant of juniors.”

Senior Azusa pinched Aina’s face, “It is normal for beginners to consume oxygen quickly.”

Senior Tokita: “You are right.” Senior Shou: “This is normal.” Senior Tokita: “If you want to know the skills, we will tell you everything we know.” Senior Shou: “Then you can adjust it next time.”

Takaharu, who was listening in, poked Mingmei, “They are very reliable seniors.” Mingmei: “Yes, unexpectedly reliable.”