高校2年生の夏、主人公・田原優心の隣の家に、引っ越しで別れてしまった幼馴染・深川みゆちゃんが帰ってきた。すっかり大きく可愛くなったみゆちゃんだけど、どこかちょっとヘンで…?優しすぎる主人公と、可愛いけど大分おかしな幼なじみが友達たちと繰り広げる、新感覚サスペンスラブコメディ!
In the summer of his second year of high school, the protagonist, Yuushin Tahara, finds that his childhood friend, Miyu Fukagawa, who had moved away, has returned to the house next door. Although Miyu has grown up to be quite cute, there’s something a little strange about her…This is a fresh and suspenseful romantic comedy about the gentle protagonist and his cute but rather quirky childhood friend, along with their friends and the adventures they get into!