あれ！まさかのボトムス履き忘れ！あまりにドジな女の子‘悠華’ちゃん！学生時代はスカート履かずにパンティー登校。仕事中になってもズボンを履かずにおぱんつ接客。休みの日にはTバックでジムトレーニング。まったく信じられないうっかりさん。無自覚だけどあまりにも大胆すぎる下半身露出のオンパレード。下半身を丸出しにしたまま街へ＆人前へ。無防備すぎるエロ美尻が行く先々で男たちの理性をブチ壊す！もちろん我慢できなくなった男子たちに襲われ脱がされ即ハメズボっ！えっちで奇想天外な世界仰天5シチュエーション！

Oh no! She forgot to wear her bottoms! Yuuka is such a clumsy girl! In her school days, she went to school in her panties instead of a skirt. Even at work, she served customers in her panties instead of pants. On her days off, she trained at the gym in a thong. She's an unbelievable absent-minded girl. Unaware of it, she's a parade of incredibly bold lower body exposures. She goes out into the city and in public with her lower body completely exposed. Her defenseless, sexy buttocks shatter men's self-control wherever she goes! Of course, men who can't control themselves attack her, strip her naked, and immediately have sex with her! Five shocking situations in a naughty and bizarre world!