Public restroom graffiti—something everyone's seen. But what if a written invitation with a specific date and time appeared among the scribbles? How many men would actually show up? Shizuka Kanno puts this question to the ultimate test, throwing aside her hesitation and diving headfirst into instant blowjobs, cum swallowing, and consecutive sex! An intense encounter with men gathering at the toilet. In this public restroom, the switch is flipped on her inner female masochist!