Female, high school student. She was in a close relationship with Miku, but after Neru stole Miku away and they got married, she became mentally devastated. She lacks confidence and has become depressed. She has red hair in drill-like twin tails with ribbons, wears a school uniform with a red tie, and has a kind personality... In reality, she secretly wants to kill everyone, but she does nothing about it.

Female, high school student. She has an innocent and kind personality. She loved Teto, but her heart was stolen by Neru, leading her to abandon Teto and marry Neru instead. She has blue hair in twin tails with angel-wing hairpins, wears a school uniform with a blue tie, and has a cute appearance.

Female, high school student. She is somewhat devious and abrasive toward Teto, but acts kind and gentle in front of Miku. She is the perpetrator who stole Miku from Teto and went as far as marrying her. She didn't steal Miku out of love; she intentionally married her just to watch Teto suffer and be in pain. She has yellow hair in a single ponytail and a cute, cat-like appearance.