Otome wa Boku ni Koishiteru

宮小路瑞穂

Mizuho Miyanokouji (宮小路 瑞穂 Miyanokōji Mizuho) is the main protagonist who transfers to an all-girls school per his grandfather's will and must crossdress in order to attend. He already looks very androgynous, so the change thankfully isn't obvious to the other members of the school. However, Mizuho is always nervous about being found out and constantly worries that it will happen. In spite of this, he was well received on his first day at school and has already become very popular among the students. Mizuho has excellent grades and an extraordinary score on the entrance exam, so much so that he is the top student in the entrance test. At first he was shocked when he found out about the will, but with the help of his childhood friend and cousin Mariya Mikado, who also attends the school, he was able to resign himself to transferring to the school. Despite making the change, he still uses language which is usually only used by males in Japan such as boku (僕), meaning "I". He is generally depicted in his school uniform wearing breast prostheses underneath. Throughout the anime, willing suspension of disbelief is employed, as there are severally scenes where Mizuho shows cleavage (such as when he is trying on bikinis), despite the fact that he does not have breast implants.

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御門まりや

Mariya Mikado (御門 まりや Mikado Mariya) is Mizuho Miyanokouji's cousin who grew up with him and therefore knows him very well. When it was decided that Mizuho would transfer to the all-girls school she also attends, she took it upon herself to transform him into a beautiful girl by the use of makeup, and she seemed to have a lot of fun dressing him up.

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厳島貴子

Takako Itsukushima (厳島 貴子 Itsukushima Takako) is the student council president of the all-girls school where the story takes place. She tends to have a serious personality which compliments that of a student council president. As the president, she knows that she must be very decisive in her actions, since she knows the students would have trouble following her if she didn't act so. In private, Takako herself has stated how she almost never has confidence in herself.

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十条紫苑

高島一子

Ichiko Takashima (高島 一子 Takashima Ichiko) is, in fact, a ghost. Her story begins 22 years ago: a previous Elder (who later became Mizuho Miyanokouji's mother) had a close relationship with an underclassmen who had a weak body. The underclassman was hospitalized but desperately wanted to see her Elder so she sneaked out of the hospital, went to the Elder's room to wait for her. Unfortunately she died before she had the chance to talk with the Elder. That room has been deemed a "closed room" ever since, until Mizuho arrived and started living in it, in accordance with his grandfather's will.

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上岡由佳里

Yukari Kamioka (上岡 由佳里 Kamioka Yukari) is one of the first-year students at the school who lives in the same dormitory building as Mizuho Miyanokouji and Mariya Mikado, who also is her onee-sama; it is a tradition for the underclassmen to serve their respective senpai in any way they can. Much like Kana and Mariya, she is a very energetic girl, although unlike them, she is deathly afraid of ghost stories and anything scary - a fact which Mariya has often used for her own amusement and which initially caused some trouble when Yukari met Ichiko. Yukari is on the track and field team along with Mariya, though her main reason for joining was due to her older sister-in-law who had urged her to come to this school and who was also in track and field. Yukari soon comes to discover that she really does like for track and field and continues to participate in club activities even when she loses her self-confidence in other matters.

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周防院奏

小鳥遊圭

Kei Takanashi (小鳥遊 圭 Takanashi Kei) is a strange girl in Mizuho Miyanokouji's class who usually has a quiet voice and doesn't show much emotion. She is the director of the drama club and during times on stage she has to be very forceful in order to get a good response out of her actors. A character with the same name and similar appearance, appears in another one of Caramel Box's other games, Alicematic.

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高根美智子

Michiko Takane (高根 美智子 Takane Michiko) is in Mizuho Miyanokouji's class who is a good friend of Kei Takanashi as they are constantly seen hanging out together. Unlike Kei, Michiko usually has a smile on her face and she is a fairly social person.

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