The Kawarazaki household descends into a nightmare as Maki and Anna are subjected to brutal punishments and forced encounters for breaking sacred promises. Kengo awakens to a scene of horror, discovering the deaths of Tomoki and Suzune while witnessing the cruelty of Yuma and Inagaki. Amidst the chaos and drug-induced torment, a haunting flashback reveals the lost romantic bond between Anna and Yuma, contrasting their past innocence with their current state of misery.