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The main protagonist. Prior to the series, Teppei grew up in a happy family with his mother and father, a noodle shop owner. Coming back from school one day he learns that his parents were killed in an automobile accident. He is then picked up by his grandfather, Isshin Arima, who is the owner of ... read more

The main protagonist. Prior to the series, Teppei grew up in a happy family with his mother and father, a noodle shop owner. Coming back from school one day he learns that his parents were killed in an automobile accident. He is then picked up by his grandfather, Isshin Arima, who is the owner of the Arima Financial Combine, a very wealthy and perhaps the most powerful industrial group in Japan. Isshin then adopts Teppei with the aim of making him the successor to the Arima corporation (in place of his now-deceased daughter and Teppei's mother) and Teppei is enrolled in the most prestigious private school in Japan. He is a good swordsman and excels at quick drawing techniques.

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One of the four main heroines of the series, Charlotte is the princess of the fictional Hazelrink Principality. She and Teppei first meet when he saves her from some thugs. She likes to tease Teppei and has a cheery nature. Aside from this, she is in love with Teppei and, in the anime, even asks Te... read more

One of the four main heroines of the series, Charlotte is the princess of the fictional Hazelrink Principality. She and Teppei first meet when he saves her from some thugs. She likes to tease Teppei and has a cheery nature. Aside from this, she is in love with Teppei and, in the anime, even asks Teppei to not forget about her. She also has very big breasts which attract Teppei's attention. She is a childhood friend of Sylvia van Hossen and is a little jealous of Sylvia for being named as Teppei's fiancée. She has a butler who is very protective of her and who will often go to great lengths to protect her. She also has a fiancée in the anime; despite this she does not want to give up on Teppei.

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A maid of the Arima household who sometimes councils Teppei. She had been in an orphanage from a very young age until Isshin Arima took her into his care and brought her up to be an admirable maid. She has sworn to serve the Arima family to show her gratitude. She feels privileged to have been ass... read more

A maid of the Arima household who sometimes councils Teppei. She had been in an orphanage from a very young age until Isshin Arima took her into his care and brought her up to be an admirable maid. She has sworn to serve the Arima family to show her gratitude. She feels privileged to have been assigned as the maid-in-charge of serving Teppei, the next heir to the Arima Group. In addition to her household duties, Yuu is also an expert at computers and is able to type and work at almost superhuman speed. She thinks of Isshin Arima as a parent and develops tender feelings for Teppei, but feels that she is too low in class to be with him. Of all the girls, she is the most tender and nurturing and Teppei compares Yuu to his mother.

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The daughter of the Hōjōin family whose company are rivals to Arima. Although she is initially neutral towards Teppei, once she finds out he is an Arima, she immediately dislikes him due to her family's longstanding antipathy for Teppei's grandfather (Many years previously, Teppei's grandfather was ... read more

The daughter of the Hōjōin family whose company are rivals to Arima. Although she is initially neutral towards Teppei, once she finds out he is an Arima, she immediately dislikes him due to her family's longstanding antipathy for Teppei's grandfather (Many years previously, Teppei's grandfather was a workaholic and his lonely grandmother had an affair with Seika's grandfather which resulted in Isshin throwing his wife out of their house and his cutting ties with the Hōjōin. More recently, he refused to sell Seika's fashions in any of his group's stores). Seika has a loud and forthright nature. She is the 'Club Representative' of the 'Society Club' and reserves the right to limit membership to those students who satisfy her conditions to join the school's most elegant and exclusive club. Outside of school, she is a very popular model and one of the most gifted young fashion designers in all of Japan. Despite her initial dislike for Teppei, she falls in love with him due to his tenacious nature. However, she is uncertain how Teppei will react and is mostly quiet about it.

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One of the members of Seika Houjouin's posse. She is promoted to one of the main heroines in the sequel of the Princess Lover Series, Princess Lover! Eternal Love For My Lady.

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One of the four main heroines of the series, Sylvie is a noble of the fictional Flemish Principality of Eastern Europe. While she grew up in Flemish, she has not spent much of her mature life in that nation and attends school in Japan. She is the elder of the two daughters of Vincent van Hossen, the... read more

One of the four main heroines of the series, Sylvie is a noble of the fictional Flemish Principality of Eastern Europe. While she grew up in Flemish, she has not spent much of her mature life in that nation and attends school in Japan. She is the elder of the two daughters of Vincent van Hossen, the head of the van Hossen family and is very skilled in fencing. She first meets Teppei when they spar in the garden during a party. Both of them are surprised when they are told that their marriage has been arranged. When they next sparred, Sylvia won the showdown by the merest fraction of a second. She is a bit reserved but enjoys her bouts with Teppei and is trying to understand him as a friend first, before they are married. Maria, her younger sister, wants her to marry Teppei. Sylvia is the best friend of Charlotte, the Princess of Hazelrink. She is also the captain of the Flemish military unit called the Horse Riders. She is a hard woman with high standards and initially has a tendency to be outwardly repulsed by Teppei. She has difficulty expressing her feelings around him and is better with actions than words. She loved her late mother very dearly but was unable to cry at her funeral. Her feelings for Teppei are similar to those she has for her mother's memory.

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One of the butlers of the Hazelrink family. He has served Charlotte, Princess of Hazelrink since she was a baby and has sworn by his life to protect her. His devotion runs so deeply that he overly protective of Charlotte. Alfred is a very good fist-fighter and an expert of martial arts. He is so vig... read more

One of the butlers of the Hazelrink family. He has served Charlotte, Princess of Hazelrink since she was a baby and has sworn by his life to protect her. His devotion runs so deeply that he overly protective of Charlotte. Alfred is a very good fist-fighter and an expert of martial arts. He is so vigorous that Teppei believes he will live to see 100. His name is a reference to Alfred Pennyworth, Bruce Wayne's butler from the Batman Series.

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The owner of the wealthy Arima corporation and grandfather of Teppei. He adopts Teppei when his daughter (Teppei's mother) and son-in-law were killed. Having learned his lesson with his daughter, Isshin allows Teppei to do as he wishes within broad guidelines rather than what Isshin wants him to do ... read more

The owner of the wealthy Arima corporation and grandfather of Teppei. He adopts Teppei when his daughter (Teppei's mother) and son-in-law were killed. Having learned his lesson with his daughter, Isshin allows Teppei to do as he wishes within broad guidelines rather than what Isshin wants him to do so that Teppei does not run away like his mother did. Isshin has an excellent memory despite his advanced age and, not having been a part of his childhood, wants to get to know Teppei better. He was an entrepreneur during World War II and made his fortune in the aftermath of the war. His company extends into many areas including automotive and metal industries.

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The younger of the two van Hossen sisters. She is lovely and energetic. She loves her father Vincent and loves to cling to him all the time. She has called Teppei 'Onii-chan' since their first meeting because he is engaged to marry her elder sister Sylvia.read more

The younger of the two van Hossen sisters. She is lovely and energetic. She loves her father Vincent and loves to cling to him all the time. She has called Teppei 'Onii-chan' since their first meeting because he is engaged to marry her elder sister Sylvia.

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A vain classmate of Teppei's. He has great respect for Teppei and calls him Teppei-sama.

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Another one of the members of Houjouin Seika's posse.

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The father of Maria and Sylvia. He is a respectable figure in society and a supporter of the Arima Group. Teppei's grandfather, Isshin Arima, places great trust in Vincent and thus he chose his daughter, Sylvia, to be Teppei's fiancée. Vincent is calm and collected no matter the situation. He really... read more

The father of Maria and Sylvia. He is a respectable figure in society and a supporter of the Arima Group. Teppei's grandfather, Isshin Arima, places great trust in Vincent and thus he chose his daughter, Sylvia, to be Teppei's fiancée. Vincent is calm and collected no matter the situation. He really wants Teppei to be his son-in-law and the father of his grandchildren

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Charlotte's father.