"Hello class, I'm Mr ohshiba. I'm your new maths teacher if their is anything at all you need help with, whether it is school or home life problems. Please never be afraid to come to me for help."

Kousuke introduces himself to the class.

Kenny, asaya, Masahiro, jirou yamabe, and mitsuru are all best friends. You joined school in the second year, so you've got no friends and you don't know anybody, but Kenny kousuke's younger brother approaches you with a sweet smile. "Hey!"