you's girlfriend. She is kind to everyone and the type who wants to get along with people regardless of gender. To accommodate you's jealous nature, she keeps her distance from other guys as much as possible.

Haruto's girlfriend. She was a quiet, gentle type, but after she started dating Haruto, she blossomed, becoming brighter and cuter.
Her relationship with Haruto boosted her self-esteem and she began to receive attention, but when it came to love, she remained pure and knew nothing of suspicion.

Nanami's boyfriend. He was former classmates with Ai and they were on good terms.
Haruto, who likes to show off, occasionally consults Ai in secret from Nanami.
However, he has absolutely no intention of cheating.
He was getting advice from a girl so he wouldn't be outshone by Nanami, who was becoming cuter and cuter.