My step-sister who is the same age as me treats me like garbage. This beauty, admired by everyone around her, shows her true ugly nature only in front of me. But upon learning that she loves me so much that she'd even use hypnosis to make me fall for her, what exactly am I supposed to do!? Shizuku asks for one embarrassing demand after the other while moving a 5-yen coin like a pendulum. As her brother, and as a man, which path should I take!?