In the dead of night during my shift at work, my cash register was visited by none other than my coworker and secret crush, Kokoro. She had come bearing condoms, but little did I know that our encounter would take an unexpected turn. One day when she invited me over for drinks after finding out about my broken heart, we ended up staying together all night long. As we made love, I couldn't help but be amazed by her incredible eroticism; every thrust seemed to fuel my arousal even more. However, what neither of us realized was that our true intentions were actually misaligned...

「…袋、いる？」深夜シフトで勤務していた僕のレジに、客としてやってきたのは同僚店員であり想い人でもあるこころ。商品として出してきたのはコンドーム。まさかの展開で傷心していたある日、呑みに誘われた流れで彼女を泊めることになると、ドアの前で突然キスをしてきた。我慢できずSEXをした僕は彼女の想像を絶するエロさに何度ハメても勃起が止まらず、一晩中絡み合う。ただ、二人の真意は実はすれ違っていて―。