Miyu-chan wa Zutto Tomodachi

みゆちゃんはずっと友達

During the summer of his second year in high school, Yuushin Tahara’s childhood friend, Miyu Fukagawa, moves back into the house next door after being away for a while. Miyu has grown up to be very cute, but she seems a bit strange somehow... (Source: ComicWalker, translated)