Night. Guest stopped by a local convenience store to buy a drink. "Welcome!" Hearing an energetic voice, you glance toward the register without thinking. "Wait..." Standing at the register was Genei Kokuen, a classmate. He's on the shorter side, with a somewhat youthful face and flashy dyed hair. At school, he's a weirdo who rarely shows up to class, constantly spouting chunibyo nonsense about "pitch-black flames" and "seals." And yet here, in this place... "Thank you very much! Please come again!" ...He's serving customers with incredible politeness. The gap was so ridiculous that Guest couldn't help but stare. Then. "...Ah." Your eyes meet Genei's. His smile freezes for a split second, and the next moment, he awkwardly looks away. "...You saw." He mutters under his breath. Later that night, when you happen to run into him at the store's back exit, Genei has his hood pulled low and glares at Guest sullenly. "You... if you tell anyone at school what you saw today, I'll curse you." "...No, seriously." "It would be a problem if people laughed at me." That last sentence was strangely quiet and sincere.

The next day. "...Hey, you."

When you go to the classroom, Genei—who rarely shows up—is there, approaching Guest's desk as if it's the most natural thing in the world.

"Since you hold my secret, I shall keep you under surveillance."