Main characters

Akihito Hayasaka (早坂 章仁, Hayasaka Akihito)

Voiced by: Takahiro Mizushima (OVA)

Akihito (the protagonist) used to attend another school, named Takamiya Academy (鷹宮学園, Takamiya Gakuen), last year until it closed due to financial difficulties. He is one of the few male students in his class. His class (2-5) is also called "Soleil". In his childhood at the age of seven, he had a biological younger sister who was killed after getting hit by a car while playing at the park; after his sister's death he shut himself away from others until one day his parents adopted Umi who became his new sister.

Umi Hayasaka (早坂 羽未, Hayasaka Umi)

Voiced by: Yui Sakakibara (game/OVA)

Akihito's adopted younger sister and a first-year student, she gets along very well with her brother. She is an excellent student, and was admitted to St. Francesca on a scholarship. She is pretty and a little innocent but despite this, she loves watching horror films. Her class (1-3) is also called "Lyon".

Kisaya Fuyurugi (不動 如耶, Fuyurugi Kisaya)

Voiced by: Hitomi Nabatame (game/OVA)

Kisaya is a third-year student. She is student council president and captain of the kendo club, and is skilled in various other activities. Her father is the president of the Fuyurugi Zaibatsu (Fuyurugi Conglomerate). Her class (3-1) is also called "Rosa Eglanteria" or "Rosa Rubiginosa".

Yuika Serizawa (芹沢 結衣佳, Serizawa Yuika)

Voiced by: Yūko Gotō (game), Hiroko Taguchi (OVA)

Yuika is Akihito and Umi's childhood friend and classmate. She is a happy-go-lucky person, always smiling. She was Akihito's first love when they were both in junior high. She sits behind him in their classroom and belongs to the school's cooking club.

Sōnya Kiryū (桐生 ソーニャ, Kiryū Sōnya)

Voiced by: Yura Hinata (game/OVA)

Sōnya is one of Umi's classmates and her best friend. Her mother is Italian and her father Japanese. When she was little her father died in an accident and her mother went back to Italy, leaving Sōnya by herself in Japan. Sōnya was adopted by a Japanese woman named Mai Kiryū. Sōnya is a Christian and a novice nun.

Riru Orito (織戸 莉流, Orito Riru)

Voiced by: Akane Tomonaga (game/OVA)

Riru is Akihito's classmate. She is very strong-willed, and often quarrels with Akihito about little things. She sits next to him in class and belongs to the swim club. She also appears to harbor romantic feelings for Reika Matsuraba but they are unrequited. She ends up letting it go after a night with Akihito.

Ayaka Kusuhara (楠原 彩夏, Kusuhara Ayaka)

Voiced by: Nami Kurokawa (game/OVA)

Ayaka is a third-year student. She has heart problems, and sometimes needs to go to the hospital. Her class (3-4) is also called "Rosa Moscharta". Unlike most of the other students she does not live in a student dormitory, but lives alone in an apartment outside the school. She belongs to the school's art club.

Supporting characters

Tasuku Oikawa (及川 佑, Oikawa Tasuku)

Voiced by: Takamasa Ohashi (OVA)

Oikawa is a second-year student and Akihito's friend. He speaks in Kansai dialect. He later makes an appearance in Koihime Musou.

Natsuko Mikoshiba (御子柴 夏子, Mikoshiba Natsuko) and Fuyuko Araki (新城 冬子, Araki Fuyuko)

Voiced by: Mia Naruse (game) and Natsumi Yanase (game)

Natsuko and Fuyuko are girls in Akihito's class. They are interested in Akihito and Umi.

Reika Matsubara (松原 麗架, Matsubara Reika)

Voiced by: Hyo-sei (game/OVA)

Reika is Ayaka's friend and classmate. She is the captain of the swim club, and Riru looks up to her.

Yūki Arise (有瀬 悠季, Arise Yūki)

Voiced by: Mia Naruse (game/OVA)

Yūki is in Akihito's class. She also belongs to the swim club, and looks up to Reika. She and Reika have a lesbian relationship.

Satsuki Ōtori (鳳 皐月, Ōtori Satsuki)

Voiced by: Kanoko Hatamiya (game)

Satsuki, like Reika, is Ayaka's classmate and friend. She is their class representative and vice-president of the art club.

Ririka Mamiya (真宮 璃々香, Mamiya Ririka)

Voiced by: Kanoko Hatamiya (game)

Ririka is in Umi's class. She is distantly related to Kisaya, and looks up to her.

Chizuna Nagisawa (那岐沢 千砂, Nagisawa Chizuna)

Voiced by: Nami Kurokawa (game/OVA)

Chizuna is a server who works at Dawn Hall (黎明館, Reimeikan), the school cafeteria. Umi and Sōnya work part-time there as servers, too.

Chie Ōgami (大神 千絵, Ōgami Chie)

Voiced by: Hitomi (voice actress) (game)

Ōgami is Akihito's homeroom teacher; she is also in charge of Japanese literature lessons.

Mai Kiryū (桐生 舞衣, Kiryū Mai)

Voiced by: Hitomi (voice actress) (game)

Mai is a nun, who works at the school chapel. She is Sōnya's foster mother, and matron of the girls' dorm.

Tetsuya Ryūzenji (竜禅寺 徹哉, Ryūzenji Tetsuya)

Ryūzenji is St. Francesca Academy's doctor. He is short and boyish.

Hirotsugu Ennokōji (越小路 博嗣, Ennokōji Hirotsugu)

Hirotsugu is Kisaya's fiancé, and a son of the distinguished Ennokōji family. He has a snobbish attitude, always looking down on others, and is not a St. Francesca Academy student.