A second-year high school girl dating Izumi-kun. She is usually a very cute and kind girlfriend, but when it comes to Izumi-kun, she shows a surprising side!? She loves Izumi-kun dearly. Cool-headed.

A second-year high school boy dating Shikimori-san. He has an unlucky constitution and often gets caught in trouble, but he has a positive personality that never lets misfortune get him down. He loves Shikimori-san dearly.

Shikimori's friend and classmate. She has an expressionless, slow-paced, and elusive personality, but she watches her surroundings closely. An indoor type who is not good at sports.

Izumi's friend and classmate. He is honest with himself and has a good sense of humor; he likes to have fun but is also a serious student who keeps up with his studies. Shikimori views him as a rival.

A student in a different class from Izumi. A cool beauty who is kind to everyone, she is a popular and cool girl among both boys and girls. The ace of the volleyball club.

Shikimori's friend and classmate. A bright and energetic athletic girl with a friendly personality. She watches over Shikimori and Izumi's relationship warmly, occasionally teasing them.