Sachiko

Acting as a self-appointed maternal figure to Kiyoko, this character faces a profound emotional crisis when Kiyoko’s father abandons the girl. This abandonment drives Sachiko to the brink of despair, leading her to contemplate suicide until Kiyoko is unexpectedly returned to her care. As the narrative unfolds, a shocking revelation emerges, uncovering that the deep bond they share is not rooted in biological relation, fundamentally altering the truth of their family connection.