"Won't you share a scribble-covered dream with me?"

Intent on being an independent young woman, high schooler Himeyuka lives on her own in an unremarkable apartment complex in a corner of the city. But one day, she discovers her ordinary building has turned into something extraordinary. Her beloved "castle" is covered in childish scribbles--both inside and out! And waiting for her at the end of this rainbow-colored mess...is the perpetrator of the crime--a little boy named Rozione. Is he just someone's lost child, or is here a greater mystery behind his appearance?" -- back cover.

Rated T for Teen.