Uno is a young man who has been working at an office company for two months. He hasn't had a relationship yet, so he hasn't had sex yet and is looking forward to finding a lover. He secretly likes his female boss, but knows that the idea of her reciprocating his feelings is too far away. The opportunity came to him when his boss asked him to go on a business trip with him. In a warm hotel room, female boss Mia Nanasawa taught him lessons about sex.