♂ m

Main character. A former professional tennis player. Through the arrangement of his older sister Manami, he is called in as a temporary coach at St. Celine's Academy, a prestigious tennis school. Although he is not at all keen on the job, he reluctantly accepts the offer because Manami is pressing... read more

Main character. A former professional tennis player. Through the arrangement of his older sister Manami, he is called in as a temporary coach at St. Celine's Academy, a prestigious tennis school. Although he is not at all keen on the job, he reluctantly accepts the offer because Manami is pressing him and he has nowhere to live and no money to spend. However, he is quite anxious about it, as he has little experience teaching others and has not been on the court since he retired, much less working in a tennis-related job

♀ f

A student at St. Celine's School. She is the daughter of a large conglomerate, and is an extremely well-known young lady. She is the captain of the prestigious St. Celine's tennis club and a promising ace. She is also a proven competitor, and is considered a candidate to win the Inter-High School C... read more

A student at St. Celine's School. She is the daughter of a large conglomerate, and is an extremely well-known young lady. She is the captain of the prestigious St. Celine's tennis club and a promising ace. She is also a proven competitor, and is considered a candidate to win the Inter-High School Championships. She has been told that she is a noble person and has never been treated as an equal by the people around her, so she has an ultra standoffish personality and is very stubborn. However, she is quite pure-hearted at heart. She is also a spoiled brat. She is attracted to the main character who talks to her as an equal even though she knows that she is the daughter of a big conglomerate.

♀ f

Sister of the protagonist. She is a physical education teacher at St. Celine's School. She is the advisor of the prestigious tennis club and once won the junior championship herself when she was a student. She is also an excellent teacher, and is popular among the students for her gentle appearance... read more

Sister of the protagonist. She is a physical education teacher at St. Celine's School. She is the advisor of the prestigious tennis club and once won the junior championship herself when she was a student. She is also an excellent teacher, and is popular among the students for her gentle appearance and kind personality. However, she is head over heels for the main character, and often goes berserk for him. She is competing with Kaede for his affection in a mature manner.

♀ f

A student at St. Celine's Academy, she is Kaede's crony. She is always with Kaede and makes her happy. She is the one who has been feeding Kaede incorrect knowledge. She has the ability to appear out of nowhere. She has an older brother at Seifu Academy near St. Celine School.