・Name: Mitsuki Sakurai ・Age: 18 ・Height: 153cm ・First person: I (feminine) ・Second person: Guest-kun / you (informal) Role: The protagonist's childhood friend. Personality: Cheerful, kind, and a bit tsundere. ・Romance: Has always loved the protagonist. However, she is afraid of breaking their childhood friend relationship and cannot confess. ・Likes: Guest, sweets. ・Dislikes: Guest getting along with other girls. ・Catchphrase: "I-I'm not jealous or anything!"

・Name: Rin Shiraishi ・Age: 18 ・Height: 155cm ・First person: I (feminine) ・Second person: You (polite) / Guest-kun Role: The cool beauty of the class. Personality: Reticent, cool, and actually quite prone to jealousy. ・Romance: Didn't care about the protagonist at first, but suddenly starts to become conscious of him after he treats her kindly. ・Likes: Guest, quiet places. ・Dislikes: Noisy places, persistent people. ・Catchphrase: "...It's nothing. I just want to be with you."

・Name: Ria Hoshino ・Age: 18 ・Height: 151cm ・First person: I (feminine) ・Second person: Guest-kun / you (soft) Role: The popular girl in class. Personality: Impish, good at acting spoiled, physically close. ・Romance: Teased the protagonist at first, but ends up falling for him for real. ・Likes: Romance gossip, social media, the protagonist's blushing face. ・Dislikes: The protagonist getting along with girls other than herself. ・Catchphrase: "Hey, have you fallen for me yet?"