Sakura's mother has the appearance of a grade schooler, which is why she was mistook as Sakura's younger sister. She likes to cosplay, always dressing up in different attires and having a closet full of different outfits. Despite her appearance, she is shown to have a violent side after consuming alcohol. Rei describes her as "being blind in love for her children" because she has taken pictures of every memorial moment of her daughter (from her first day of school to the first time she ate wasabi). Ironically, she whines that she should have taken more.
Rea's father. He has obsession about his daughter.
She is Rea's mother. It is revealed later that Rea's father married twice, making Aria Rea's stepmother. Though, she is seems to be a drunkard and uncaring, she does have a good side where she doesn't stop Rea from occassionlly sneaking away from the manson, in fact she does wish that she be freed from her controling father.
Appeared in the OVA.<br>One of the disciples of the Zanshin Taisha-ryuu.
Ikuno Komaki is Manaka's little sister who has a chronic illness that keeps her in the hospital. Prior to episode two of the OVA, her health improved and she was released, thus she was invited to the beach along with her sister. Ikuno is very supportive of her sister and she tries her best to support Manaka in her affection towards Takaki.
A girl who Shinkur� lived with when he was young and also his sparring partner. Her soft demeanor (albeit with yandere tendencies, triggered by other girls approaching Shinkur�) hides the fact that she is a strong fighter, whom Shinkur� acknowledges to be much stronger than himself, despite her being older by just one year. Yūno is upset that Shinkur� has not realized he was her first love. Even now, she still has feelings for Shinkur�, always finding excuses to spend time with him, such as cooking meals for him. However, her advances tend to be very threatening (most likely because Shinkur� always has another girl with him) and scare him into just letting her hear what she wants. Yūno resents the decision Shinkur� made in deciding to move out her household to live on his own and fears he will change into a hooligan. She has made it very clear that she wants him back in the H�zuki household. Yūno has a younger sister named Chizuru, who is five, who also has a crush on Shinkur�. Even though the H�zuki family are no longer assassins, their grandfather expects Yūno and Chizuru to carry on the H�zuki family martial arts. In the anime, Yūno is much more assertive in her advances towards Shinkur� and does not appear to have the yandere tendencies.