Youko Amagi
Seizou's wife, and mother to Kouga and Konoha. Was chastised by Mitsugai for doing volunteer work in secret, resulting in Konoha's childhood trauma. She then ran away from home while continuing her volunteer work, and never returned since. However, she and Seizou are not officially divorced yet. It is eventually revealed that she has been staying at the home of her lover, Suzuki. She and Konoha are soon kidnapped by Seiji and Suzuki, the latter revealing that Seizou funded human experiments of his wife and his son, Katou. Soon afterwards, Amagi Tower starts to be destroyed, and in the chaos, she is seen falling into an inferno, but was saved by Suzuki.