KimiKiss Pure Rouge

Kouichi Aihara (相原 光一 Aihara Kōichi^?)

The main protagonist in the game and anime (his name can be changed by player) and also in Various Heroines manga. Student of class 2A and older brother of Nana. In the anime this character was split in two - Kouichi Sanada (he received Kouichi's looks) and Kazuki Aihara (he received Kouichi's soccer skills and Nana becomes his sister). In the anime, Kouichi's first love interest was initially Yuumi Hoshino. Until he gradually develops feelings for his childhood friend, Mao. In the end of the anime, the two become a couple.

Mao Mizusawa (水澤 摩央 Mizusawa Mao^?)

Voiced by: Haruna Ikezawa

Mao is very active, energetic, and cheerful student of older class 3A. In anime after moving back to Japan from Paris, she lived with Kouichi and his mom but moves due to her feelings for Kouichi, although the two go to the same school. Mao's first love interest in the anime was a quiet, tough looking boy named Eiji Kai. At first, the two disliked eachother, but soon developed feelings as they both opened up. Not long after that, Mao and Eiji began to date. The relationship did not last long due to Mao realizing her feelings for Kouichi. She breaks up with Eiji later in the anime.

Yuumi Hoshino (星乃 結美 Hoshino Yūmi^?)

Voiced by: Ami Koshimizu

Kouichi's classmate, who works in school library. In anime she is Kouichi's love interest. She is always shy but from the help of Mao and the others, she began to speak up a little. She also has feelings for Kouichi and throughout the story they began to date, but began to realize Kouichi has feelings for Mao.

Asuka Sakino (咲野 明日夏 Sakino Asuka^?)

Voiced by: Ryou Hirohashi

A girl from parallel class 2С (in anime she is in Kouichi's and Kazuki's class 2A), who loves to play soccer. In anime she starts to have feelings for Kazuki after he had helped her. Sakino discovers that Eriko and Kazuki were conducting 'experiments' together which angered her, wanting to stop the experiments. She soon realizes that Kazuki was in love with Eriko, despite the fact she always pushed him away. Edging towards the end of the anime, Sakino confesses her feelings to Kazuki, but is turned down. She gives him a kiss as a goodbye to her feelings for him.

Eriko Futami (二見 瑛理子 Futami Eriko^?)

Voiced by: Rie Tanaka

An extremely introvert girl from parallel class 2С, who is always cold to others and has an IQ score of 190. She usually loiters in the science lab. In anime she starts performing experiments with Kazuki by doing romantic actions (such as kissing him) when he stumbled upon her to find out why people fall in love. Gradually she opens up to others and develops feelings for Kazuki. In the last episode, Eriko pronounces her love for Kazuki and the two kiss.

Mitsuki Shijyo (祇条 深月 Shijō Mitsuki^?)

Voiced by: Mamiko Noto

A wealthy girl from parallel class 2С, who can play the piano. She has had an arranged engagement most of her life yet never met the man. In the anime she begins having feelings for Hiiragi.

Narumi Satonaka (里仲 なるみ Satonaka Narumi^?)

Voiced by: Kaori Mizuhashi

Good friend and classmate of Nana. Expert at cooking udon and has a strong interest of creating new varieties of udon. Like Nana, she also carries an accessory depicting a frog called Juliet.

Nana Aihara (菜々 Nana^?)

Voiced by: Sakura Nogawa

She is the younger sister of Aihara in the game (Kazuki's younger sister in the anime). She carries an accessory depicting a green frog called Iwao.

Akira Hiiragi (柊 明良 Hiiragi Akira^?)

Voiced by: Jun Fukuyama

President of the Movie Research Club. He always forces Kouichi and Kazuki into helping him with the movie films. He has a mental list of trivia about almost every girl in the school even though he is "dating" someone from another school, "Male Prudence" he calls it.

Megumi Kuryu (栗生 恵 Kuryū Megumi^?)

Voiced by: Mai Nakahara

Member of disciplinary group. She is high strung and the self-appointed head of the school morals enforcement agency. In anime her love interest is Hiiragi.

Tomoko Kawada (川田 知子 Kawada Tomoko^?)

Voiced by: Ayako Kawasumi

School's teacher for modern Japanese language and adviser of swimming club. She is Mao Mizusawa's home room teacher.

[edit]Anime-only characters

Kouichi Sanada (真田 光一 Sanada Kōichi^?)

Voiced by: Satoshi Hino

The main protagonist in the anime. He, Kazuki, and Mao are childhood friends. Initially, he has feelings for Yuumi Hoshino but began to realize his feelings for Mao.

Kazuki Aihara (相原 一輝 Aihara Kazuki^?)

Voiced by: Takahiro Mizushima

An anime only character and the second protagonist, he is Kouichi's classmate and good friend. Kazuki enjoys playing soccer and his love interest is Eriko. Kazuki met Eriko in a classroom and experienced his first kiss when she suddenly began an 'experiment' with him. Kazuki eventually found out that he had fallen for Eriko, and chased after her all throughout the anime. The two finally became a couple near the end of the anime.

Eiji Kai (甲斐 栄二 Kai Eiji^?)

Voiced by: Takahiro Sakurai

An anime only character. Mao's classmate, who plays the saxophone and works in a jazz bar. Initially, he did not want to get along with Mao but gradually opens up to her. He and Mao date for a while but she breaks up with him after she admits her feelings for Kouichi to him, although they remain friends.