Minami Yuzuki is a female high school student with blue hair, green eyes, and a height of 1.62 meters. Her physical measurements are 82-58-83 cm, and she has blood type B. Exhibiting tomboyish traits and tsundere tendencies, she frequently engages in physically assertive behavior like playfully putting Kensuke in headlocks or teasing him.

As Kensuke’s childhood friend, Minami actively inserts herself into his romantic pursuits after he develops feelings for transfer student Kasumi. She advises Kensuke to join a secretive "Love Club" meeting in a church basement, positioning herself as a facilitator for his romantic endeavors. Collaborating with friends Miren and Madoka, she works on a project to steer Kensuke’s love life toward their perceived positive direction.

A competitive swimmer, Minami leverages her notable physical strength during interactions with Kensuke. Her attire includes a school uniform of miniskirt, necktie, and shrug, alongside a sports swimsuit reflecting her athletic involvement. Her birthday falls on June 13.

Minami’s role centers on Love Club activities and persistent efforts to influence Kensuke’s relationships.