
A college student who just entered university in Tokyo. He moved to Tokyo from his hometown in Shizuoka and rent a cheap house on the outskirts of Musashino.
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A college student who just entered university in Tokyo. He moved to Tokyo from his hometown in Shizuoka and rent a cheap house on the outskirts of Musashino.
The father. He takes the blame for Miho Odagiri's death by confirming Azusa's conclusion that he was her lover, but it is later revealed that he was paid by his office superior, Shuichiro Tachibana, to be his scapegoat. He spends much time working away from home due to his unfavorably low position on the company ladder, but in the end returns to Tokyo under Shuichiro's orders as an apology for all the hardships the latter had given him and his family, he is presumably living again with his wife and children. Went to college with both Azusa's and Ryoki's fathers (Wiki).

One of Ken'ichi's fellow cadets for the position of Special High Class Individual, Eri is considered the most promising of the current cadets. She is only slightly older than Kenichi, but has already obtained a Ph.D. in Law Science. Although dedicated and studious, she has an unfortunate habit of not being the most punctual of people. She is murdered by Fouzuki to eliminate competition.

A seemingly gloomy boy in Momoka's class. He moves away during the summer after graduating and becomes a looker, making Momoka fall even more in love with him.

Birthday: August 29

Narumi is the first to actually meet Nagi after he arrives on the island. She also saves him from drowning when he falls into the sea when going after her straw hat that was taken by the wind. Of the three maidens, Narumi is probably the one with the widest emotional range, going from a strikingly happy girl to a serious cape maiden on a moment's notice. When the three cape maidens were asked who of them wanted to go live in solitude, Narumi was the one who offered to take on that role. (Soyogi only accepted the same because she didn't want to lose to her.) On Nagi's first visit to Narumi's little getaway, though, he learns that the place is filled with manga and plushies, which Narumi has collected while she was living there. Narumi is a very adept swimmer, being the maiden of water, and has a talent for fishing, right up to basically swimming up to them and grabbing them right there in the sea.

Narita Izumi is Tachibana sensei's girlfriend. She is a 15-year-old honor student at Ouka Academy all Girls High School.