While working part-time at a cafe, I saw my colleague Yamada secretly slipping an aphrodisiac into Haruka-san's drink. I had secretly been interested in her—she was blunt and cool, but beautiful—so I kept a close eye on things to make sure Yamada, who was hoping for a chance, didn't make a move... After closing, while I was doing the final cleanup with Haruka-san, her breathing suddenly became heavy, and she collapsed on the spot. Panicked by the sudden turn of events, I rushed to hold her up, and suddenly, Haruka-san kissed me...!!