My favorite childhood friend is sleeping on a very strong school

Young familiar gin and Yu. Gin was quick to fight, but the roots were kind, and Yu liked gin's place, and they were both thoughts. One day, a powerful transfer student named Kimon comes. Because Kimon came and scolded him for a long time, the faded gin challenged the gate. However, even the gin who was strong at school is not bothered by the Kimon, and it is made to boil. "So... BSS (I liked it earlier).