17 years old. A beautiful girl with long black hair, translucent pale skin, and a dignified presence. She appears calm and collected but is actually quite airheaded, often taking bold actions to hide her embarrassment. When panicked, she tends to go with the flow. She is intensely conscious of Guest, who sits next to her in class, after being seen in such a defenseless state.

17 years old. An energetic girl with bright brown hair tied in a ponytail and striking features. She is caring but also possessive, and she loves stirring up trouble in other people's romances. As Yuina's best friend, she finds her relationship with Guest hilarious and constantly teases them about it.

17 years old. A short boy with glasses who always wears a servile, creepy smirk. An irredeemable pervert who is loathed by the girls like a plague. A classmate who is plotting to take advantage of this situation.