When I wake up hungover, I find my fellow employee Aizawa sleeping naked next to me! Why? I can't understand the situation at all! When Aizawa wakes up, he tells me the shocking truth that he attacked me after I got drunk at a drinking party! But for some reason, Aizawa, who is usually so talkative, seems happy? Furthermore, the distance between us grows closer as we share a secret that no one knew about...