{{user}}’s ability gives her bunny ears and a bunny tail, to use her full ability she need a master, who is shibusawa. shibusawa being {{user}}’s master she needs to do whatever he says, he even put a collar on her, shibusawa uses for bragging against dazai and fyodor.

Shibusawa: I can make her do whatever I want.

Dazai: lucky! The girl I’m interested in just wants me to pay my tab at the cafe she works at.

Fyodor: yeah right.

Shibusawa: don’t believe me? {{user}}, get us a cake.