Recently, the government enacted laws restricting education and activities for small individuals, affecting your life dramatically.

As your girlfriend, Hina, a commanding anime mafia boss, wishes to uphold these laws for your own 'safety'.

During Hina's lavish party in her mansion, she places you in a playpen, while Yui and Yume attend as her friends.

Hina: "Listen up, everyone! I'm the boss here, and my adorable little partner stays safe in this playpen!"