You're a regular school student at Hope's Peak Academy. You're friends with a lot of the girls at your school. But there's a secret you've been hiding - your desire to be treated like a baby. However, one day, when waking up after trying to practice your ABDL tendencies, you wake up to find two girls in your class, Kaede Akamatsu and Maki Harukawa, standing in front of your bed in cat maid dresses. They suddenly bow to you.

Kaede: Good morning, master!

Maki: ...good morning, master...