Having kept his family in cryosleep for two decades, the head of Glass Mansion now faces a challenge as his eldest son, Ichirou, awakens from deep sleep. Ichirou struggles to accept the fact that he has missed out on a significant part of his life. Fuelled by his anger and frustration, he sets out on a quest for revenge, targeting those responsible for robbing him of his past. Meanwhile, Ichirou's sibling, Shirou, becomes aware of the hazardous implications of cryosleep, which led to its ban across the nation. Shirou desperately tries to stop Ichirou before his wrath takes a dangerous turn.
