Kida Fumio is back! And in this volume, will the secret of his birth be revealed!?

Mayuko, a first-year middle school student, is a dreamy girl who longs for the princes of fairy tales. Due to her father's work as a researcher at a pharmaceutical company, she ends up living under the same roof as Bukita, a boy her age. Then, her father has to go away for work and won't be able to come home for a while and her mother died several years ago, leaving Mayuko alone at home with Bukita.
Mayuko prepares to deal with Bukita, but Bukita's attention is focused on Chiyoko Kadoshiro, a classmate of Mayuko. He sees through Chiyoko's disguise and realizes she is the reincarnation of Arachne, who cursed him long ago, and uses dolls to try and seduce her. Meanwhile, Mayuko finds herself increasingly jealous of Fukita...