Makoto hasn't told Kotonoha yet of his relationship with Sekai. However, one night Kotonoha bumps into Sekai outside of Makoto's apartment and an altercation goes down. And with that, begins the the school festival...
Go Makoto! I'm sure he will have what's coming to him Poor guy doesn't know how to consider the feeling's of others; must have grown up without much discipline -- he's just too wild