A live-action adaptation of Puu no Puupuu Puu's bestselling story about obsessive love. In this adult sibling role-play, beautiful and gifted Mia is adored by everyone, while her ordinary brother Yuto is nearly dating his childhood friend Rin. When their parents leave on a trip, Mia drugs him; he wakes naked and restrained on a bed. She licks his body, forces her tongue into his mouth, and sucks his involuntary erection. Though he knows it is wrong, his body responds as she repeats that she loves him. Overwhelmed by her obsessive devotion and unable to resist, he is drawn into sex with his sister.