Castle & Maiden: RE Collaboration [New Year's] Koga Gosho Goshuincho

This is a Goshuin-cho (seal book) created in collaboration with "[New Year] Koga Gosho" from "Oshiro Project: RE ~CASTLE DEFENSE~", a popular tower defense game distributed by DMM GAMES with over 4 million registered users.
It is approximately 13.5 cm wide and 18.5 cm high (there may be slight variations as it is handmade by artisans).