As summer break winds down, Kanan, a female demon who infiltrated a high school in the human world, enjoys spending time with her boyfriend Kyougi Youji. Kyougi-kun even invites her to meet his older sister! But all too soon, the new school term starts. Kanan finds herself enjoying school life as part of a couple, but new books aren’t the only thing she has to deal with. Jeanne realizes she’s in love with Kyougi, and Kanan’s younger sisters come to visit from the demon world.
New experiences, rivals, and even the student council president shake up this pure demon’s romantic school life!
It’s summer vacation, and the adorable demon Kanan decides to take her boyfriend, Kyougi-kun, back home with her to meet the family! Together with the saint, Jeanne, they travel to the Demon World, where Kanan’s unique family awaits them. With a mother who’s afraid of men, two little sisters who are total opposites, and a father who’s more than ready to put them through the paces, their summer is sure to be devilishly chaotic!