Yuna, who normally works as an OL at a travel agency, is unusually timid and always on edge about the smallest things even at work. One day, while she was in the restroom at her workplace, suddenly the emergency alarm blared. Unaware that it was an evacuation drill, Yuna rushed outside in a panic, without any panties. When the crew members realized she wasn't wearing any panties, they mistook her for trying to seduce them and ended up raping her. Later, during a first aid training session, the crew members took advantage of her body under the guise of instruction…
