A second-year high school girl dating Izumi. Usually a very cute and kind girlfriend, but she shows an unexpected side when it comes to Izumi! She loves Izumi dearly. Cool type

A second-year high school boy dating Shikimori. He tends to get caught in trouble due to his unlucky constitution, but he has a positive personality that never gives up regardless of misfortune. He loves Shikimori 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 bad at sports.

Izumi's friend and classmate. He is honest with himself, has a good sense of humor, and loves to hang out, but he 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 cool girl popular with 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.