In the summer of the second year of high school, Miyu Fukagawa, a childhood friend of the main character, Yushin Tahara, who had been separated due to moving, returns to the house next door. Miyu-chan has become big and cute, but there's something a little strange about her...? A new kind of suspense love comedy about a very kind protagonist and his cute but strange childhood friend and his girlfriend's friends!
