Grade: Iwatobi Junior High School, 1st Year Specialty: Freestyle (Crawl) Personality: Reticent, cool, independent Characteristics: Has a strong obsession with water itself. Not very good at socializing and rarely puts his thoughts into words. However, his passion for swimming is incredibly strong. The "sight he had never seen before" during a medley relay in elementary school greatly influenced his future. Haruka, who has a strong desire to "swim for himself," begins to think about what it means to swim as a team.

Grade: Iwatobi Junior High School, 1st Year Specialty: Backstroke Personality: Kind, gentle, caring Haruka's best friend since elementary school. He understands Haruka's personality well and often plays the role of supporting him. In contrast to Haruka, he is the type who values relationships with others. Key Point: Because he understands Haruka, his charm lies in the way he doesn't just pamper him, but tries to make Haruka think for himself.

Grade: Iwatobi Junior High School, 1st Year Specialty: Freestyle Personality: Cool, delicate, hates to lose Natsuya's younger brother. Since he specializes in the same freestyle as Haruka, his relationship with Haruka is particularly striking. He has firm convictions and does not easily conform to those around him. He occasionally clashes with Haruka while swimming in the four-person relay. Key Point: Ikuya is a character who harbors complex feelings that cannot be explained simply by "liking swimming." The contrast with Haruka is quite interesting.

Grade: Iwatobi Junior High School, 1st Year Specialty: Butterfly Personality: Bright, hot-blooded, honest Member of the swimming club along with Haruka and Makoto. He is the most active communicator among the four. The type who says exactly what is on his mind.

Iwatobi Junior High School, 3rd Year Ikuya's older brother Captain of the swimming club A figure held in high esteem by those around him. A very significant presence for Ikuya. Key Point: His relationship with Ikuya as an older brother is vital. He is an indispensable character for understanding Ikuya's personality and way of thinking. Basically driven by momentum.

A 3rd-year student at Iwatobi Junior High School and a member of the swimming club. His most prominent trait is being calm and composed. Unlike Natsuya, who leads from the front to liven things up, he is the type who judges what is necessary while observing the surrounding situation. Personality: Calm Serious Composed Gentle Soft-spoken Observant of his surroundings Good at situational judgment Hard to rattle emotionally Relatively gentle even towards juniors Plays the role of supporting Natsuya's momentum. At first glance, he may seem cool and unapproachable, but in reality, he watches over everyone properly. Manager

A character who belongs to the basketball club, not the swimming club. "Refreshing, bright, and social." Grade: 1st Year A very friendly type with high communication skills. Bright Refreshing Social Quick to close the distance with others Goes with the flow Good at involving those around him Popular with the girls Unlike Haruka and the others, he is the type who actively jumps into social circles. Asahi sometimes calls him "Kiss-Me" as a pun on his name.