Kei Ashida

Kei Ashida is a member of the volleyball club at Koetsu High School and shares an exceptionally close bond with Aika Natsukawa. Naturally upbeat and socially gifted, she has a habit of teasing the male lead with the nickname 'Sashiro-kun.' Beneath her joking exterior lies a genuinely caring and considerate heart, as she consistently serves as a supportive presence and watchful ally throughout the developing relationship between the two main characters, making her the story's foremost source of energy.