As hotel cleaner Sumire went about her day peacefully, she was suddenly pushed over by a young guest and violently taken advantage of. Afterward, while still reeling from the experience, the man made off with her wallet. The next day at home, feeling empty inside, she reminisced about her past life. (My life... Ahh... I wonder if that kid I left behind is doing okay...) Just then, the doorbell rang—her mother and stepbrother were there to welcome her back into their twisted family dynamic. Their perverse love and lust led them down a path of pleasure and pain, leaving Sumire unable to resist their advances or the growing desires within herself.
