Kyoya's superior officer at the Shinjuku Police precinct and head of the station's homicide division. He was pals with Kyoya's late father. During a trip in New York after his retirement from the force, he was nearly killed when Lisa Lewis tried to gun him down. In the end, he is shot and killed by Kei Amami, who had received a heart transplant from his daughter Atsuko Narita, because she was having a conflict with Atsuko's personality.
Main protagonist, the shy Jun Naruse, is a rather average guy who works for a electronic company and loves to draw. He falls in love with Megumi whom he met at a shop selling drawing materials and an intimate relationship develops.
Former head of the dormitory. Kaoru had his heart broken recently. When he wants to laugh, he laughs. When he wants to cry, he cries. He believes strength to be the essential of life.
Born November 23, 18 years old, Blood Type B Tatsuhiko’s childhood friend. She is a cheerful and lively girl that was very close with Tatsuhiko when he still lived with his parents. Kido left his town after he tried to become intimate with her, only for Tamako's mischievous "boyfriends" to burst in on them when they were making love, thereby making him think that she pulled a vicious prank on him when in fact she was truly in love with him. After meeting him again, she comes over her lingering feelings for him and becomes ready for a new relationship.
Height: 156cm Weight: 41kg BWH: 90-54-83 Charm Point: Breasts Mio is a beautiful young girl of average height, with long waist-length red hair and violet eyes. She is noted for having a distinctly voluptuous body for someone her age. Mio has been seen wearing a number of outfits throughout the series, with several casual attires at home that are usually form-fitting or revealing, as well as a uniform for attending school. After forming a contract with Basara, Mio gains a choker-like tattoo around her throat which takes the appearance of a love heart with two prongs extending around either side of her neck. Mio normally displays a calm demeanor, preferring to remain quiet when around others; however, she is prone to outbursts when faced with inappropriate situations such as finding erotic magazines underneath Basara's bed or being left at the mercy of Maria's succubus curse. Despite this, she is also caring and affectionate, genuinely appreciate Basara's kind treatment and protection as well as feeling uncomfortable about having to deceive innocent people. Deep down she is afraid of her current situation and constantly being under threat, but when faced with danger she won't hesitate to face the challenge. Originally, when trying to deceive Basara and his father, Mio displayed a personality very typical to that of teenage girl. While at home she acted like a normal sister towards Basara, waking him up in the mornings and referring to him as "big brother."
Unlike her two "sisters", Karin never went to live in solitude, instead choosing to live among the villagers. She's a fairly energetic and outspoken girl who spends a lot of her time walking around the island village and helping out the villagers with what needs to be done. Of the three sisters, Karin is also probably the most romantically and emotionally able, even though she tends to become embarrassed just as easily as Narumi.