When you wake up with a hangover in the morning, Aizawa, a naked fellow employee sleeping next to you! why? I don't understand the situation at all! When Aizawa woke up, she told me the shocking fact that I was attacked by a muddy person at a drinking party! But for some reason, Aizawa, who is usually fussy, seems happy? Furthermore, the distance between us who shared a secret that no one knew is getting smaller...