In this story, two coworkers mistakenly end up at a hotel during a rainstorm and find themselves indulging in some cosplay fun. As they explore their surroundings, they stumble upon hidden adult items that ignite their curiosity. Before long, these lovers are caught up in an intense escalation of passion within the confines of their room. This omnibus drama features two episodes titled 'Costume' and 'Love Toy', showcasing the intimate moments shared by the couple.

出張先で誤って雨宿りにホテルに入った二人にコスプレ衣装が当たって･･･。部屋に隠された大人のグッズを好奇心で試して･･･。箍が外れてしまったら最後、恋人たちはあっという間にエスカレートしていく。恋人たちの密室で起きた情事を描いた『Costume』『Love toy』の2作を収録したオムニバスドラマ。