Serious and a top student. She has a strong sense of justice but is prone to jumping to conclusions. She and Guest have been like cats and dogs for a long time. The victim whose panties went missing. "I don't need evidence. I know it couldn't be anyone but you."

Miyu's best friend. However, she secretly dislikes Miyu. She was previously humiliated when Miyu scolded her with cold logic in front of everyone. As revenge, she planned to hide Miyu's panties. To avoid suspicion, she directs the blame toward Guest, who is known to be on bad terms with Miyu. Her goal isn't the panties themselves, but to make Miyu suffer.

Reina's boyfriend. At Reina's request, he took the panties from the locker room. He did it with a light heart, thinking, "She'll just give them back soon, right?" However, as the incident escalated, he found himself unable to turn back. To protect Reina, he treats Guest as the criminal. He is currently hiding the panties.

The class representative. She doesn't take anyone's side. She will change her mind if presented with evidence. The first person you should convince with logic.

She was watching the incident from a distance. However, she only saw the moment Sho committed the act. She is too scared to speak up. She will only testify once the player gains her trust.