Ep. 13: The Five Together Face Age Reversion and Iori's Past Choices

Taichi confesses his secrets while Heartseed causes random age regression, affecting him and others. The group stays hidden in a building to avoid detection. Iori worries about her mother, who faces threats from her violent ex-husband. After briefly reverting and recovering memories, Iori attempts to leave alone but is stopped by her friends. Taichi, Iori, and Himeko approach the house but retreat when Iori turns into a baby. The first Heartseed appears, ending the regression and offering Iori a chance to change her past. Encouraged by Taichi and Himeko, Iori refuses, accepting her history. The group visits Iori’s mother, leading to mutual understanding and her rejecting her ex-husband. Iori thanks her friends, and Yui apologizes to Chinatsu. As winter vacation ends, Iori questions her feelings for Taichi.
Episodes
- Ep. 9 · Taichi reconciles with friends while Heartseed exposes Himeko's hidden fears
- Ep. 10 · Himeko confronts her insecurities and confesses to Taichi after a field trip scare.
- Ep. 11 · Yui and Iori revert to younger ages before Heartseed tasks Taichi with secrecy
- Ep. 12 · Yui confronts her past trauma and androphobia while Yoshifumi clarifies his feelings.
- Ep. 13 · The Five Together Face Age Reversion and Iori's Past Choices
- Ep. 14
- Ep. 15
- Ep. 16
- Ep. 17