At the company, there's a quiet and reserved female employee. That's Mizukawa-san, who at a drinking party, gets drunk and collapses, leading to us going to a hotel together... I discover she's unexpectedly cute, and when I make a move, I find Mizukawa-san is beyond my imagination—lewd! "Please make me even more excited!" From intense tongue kisses to wild orgasms. I'm the only one in the company who knows this erotic side of her...