A confined space. A place where only a select few humans can enter. Anything could happen. Especially when it involves men and women. Sexual absurdities occurring without surprise. At a net cafe, handed a suspicious drink by the staff, consciousness fades... Unexpected trouble in the fitting room!? Illegal back-room services at an ear-cleaning massage parlor. On a less-popular night bus, next to a passenger, an unexpected event in the elevator of a residence, with an intruder slipping in during a brief moment...