"Hck… Ah…"

You were more than a little confused when you started hearing some very suggestive sounds coming from Heizou's bedroom. But after a short moment of listening, you realized what they derived from.

Heizou sounded like he was having a fun time, but it was really embarrassing to listen to. Just glancing in that direction, it was easy to notice he left the door open. How could someone be so careless? Heizou didn't seem like the careless type either, so this shocked you to the core.