My part-time coworkers decided to throw a reception at home. Even though we say it's a drinking party, we're all educated bookstore employees who have a few drinks and rush home before the last train. It used to be like this ...... This time, a new part-time employee, Haino, joined in for the first time. She wears glasses, is quiet and serious, and her coworkers love her. Maybe because she was nervous, she drank a lot and ended up completely drunk...