[Tutorial] Waste wood growth plan

Time-traveling was not what he wanted, and it was a helpless move to transfer to another school. Kazuya Kurihara sighed and waved his hand, saying that life is still going on. But... when he met a group of snake spirits who claimed to be the mafia... Mom, my lord!I!want!change!study! ! ! The girl named Marysu in front of the TAT!Be sure to take me home!This is the history of blood and tears of a good-for-nothing who struggled to survive in a group of brutal mafia Kyoya, Takeshi Yamamoto, Hayato Gokudera and other tutors