On the day of Sansono Girls' Academy's entrance ceremony, Mirai Shimizu was warned by Reika, the long black-haired disciplinary committee chairperson, to remove her wristband.

That incident sparked Mirai's interest in Reika.

A perfect, flawless senior. What could lie beneath that cold, emotionless mask?

Mirai, who has indulged in the distasteful game of "conquering" others and has toyed with countless men, witnessed female students kissing in the shade of a tree, and began to wonder if she could do the same even in an all-girls' school.

The difficulty would undoubtedly be immense.

But precisely because of that, it would be all the more rewarding.

Now, let the game begin.

—I want to conquer the impregnable disciplinary committee chairperson.