20世纪90年代，一个居住在日本的中国家庭，父母在异国他乡努力管理和维持生活。年幼的孩子也在当地的幼儿园上学。一切看起来都很平静。但由于住在上海的祖父突然来访，原本的平静被打破了。
由女演员本田毅和演员冈山天音主演的深夜日剧《昨晚玩得开心》系列改编自金田一郎的同名漫画。两人住在一所合租的房子里，一起玩游戏。原版漫画告诉一男一女在网络游戏“勇敢的龙X”中相遇的故事。
Joon hyeok is preparing to pass the exam for level nine government staff. Since this is his third attempt, he is sure to pass the exam this time. He moved into a boarding apartment as part of his father's special measures to help his son with his studies. But what awaits Junhui in the luxurious house is not thick textbooks, but two free and unrestrained women. Joon hyeok began his cohabitation with the owner of a boarding apartment full of sexy beauties, Aqiong, and the nurse Dal lae, who exudes sexiness from his face and body. Since then, Junhui has started studying women every night instead of his books.
