A coloring book of the virtual singers Hatsune Miku, Kagamine Rin and Len, and Megurine Luka, published by Kawade Shobo Shinsha. The author is Crypton Future Media, INC.
It collects 16 pictures, chosen mainly from illustrations used for events such as Magical Mirai and SNOW MIKU. The book is an A4 variant size with 48 pages.
Crypton Future Media is the company that releases Hatsune Miku and other software that sings when you enter lyrics and a melody.