Ultra: Picked up by Seven at the beginning and brought back to the Kingdom of Light

The protagonist's name is Shi Yixuan, who was originally a college student born in the 00s. He died suddenly due to excessive excitement when he stayed up late to watch Ultraman. He came to the Ultraman universe and became an Ultraman. He was picked up by Seven and brought back to the Kingdom of Light. He was named Ultraman Aiga, and was later adopted by Taro. He became brothers with Taiga. Later, he unlocked the system and learned the special skills of many big men with extraordinary talents... He accepted them all to maintain the peace of the universe. There is no heroine in the whole process. The protagonist has the memory of the previous life. If you mind the age and time difference of Ultraman... Enter with caution! ! If you mind the protagonist becoming stronger with the system... Enter with caution! ! If you mind me adding some secondary creation settings... Enter with caution! ! ...