One day, 25-year-old Hasegawa Ryou wakes up to see a holographic screen floating in front of him. The screen prompts him to save/load files and an item shop, as well as his stats. It seems like he's been sucked into some erotic love game, since his stats depend on seducing women and "capturing" them.

After finding a target and going through game-like options, Ryou thinks he knows what he has to do to "capture" his target. Surely he needs to have sex with her, right? And yet when the woman turns out to be a murderer, Ryou finds out the shocking truth: he has to capture these women and unveil their secrets! And if he fails, he dies...