A group of four men work together at their job, where they develop strong feelings for their boss, Tomoka-san. One day, while bathing in a hot spring together, they all become aroused by her naked body. Despite trying to control themselves, they each end up having an orgasm due to their overwhelming sexual desires.
The story continues with one man confessing his true feelings for Tomoka-san, leading to them losing their virginity together. Another man offers guidance on how to please a woman during intercourse. Finally, everyone gets drunk and engages in a wild five-person orgy filled with passionate lovemaking!