Natsu, an office lady, is dissatisfied with her boyfriend who doesn't hug her because she's busy at work, so she goes out for drinks at the invitation of her boss who cares about her. She gets drunk and has sex with him at the hotel he goes to take care of her, but in an unexpected incident, her condom breaks and he cums inside her. However, this was a planned accident created by her boss, and was a planned trap to use as an excuse for her to have sex...