Who are you?

Ayanokoji kiyotaka wants an ordinary life. But will this be possible when his fiancee Anastasia Akane has joined the school in his second year and his older sister, Ayanokoji Risa has started teaching. At the same time horikita manabu after graduating has taken a high-paid job offer at the white room but later regrets it. With such events taking place, will ayanokoji be able to enjoy his not so peaceful life?
Ayanokoji and kei will not be dating. Tee hee.