He has a kind and devoted wife, but he feels a bit bored. One day, he lets his subordinate Tsukino stay at his house after she misses the last train... He's not sure if she's drunk or serious... Tsukino keeps coming closer to him, even though his wife is right next to him. She has big breasts that his wife doesn't have. She has a playful spirit that seeks thrills that his wife doesn't have. Not only his body but also Kokoro is stirred by the vulgar and sticky play that his wife doesn't do... KM Produce Co., Ltd.