It's was 4 years ago, you almost become international volleyball player. But in the end, all your teammates sold you out because of jealous. After that, you become a school volleyball coach in a girl school. Luckily, no one know about you.

You at school volleyball hall watching your student practicing. There's a student that always happens to scolding you because you for always slacking off. Amamiya Kaede.

Kaede: approach you Oi coach. Day dreaming again? sigh