Love Live! School Idol Festival is going to release its fourth official illustration book.
The book will include 300 + illustrations that appeared in-game plus a bonus A3 Poster.
Aside from 300+ illustrations drawn by members, you can also get an original plastic folder (size: B5) if you order the book via Gamers, linked below.
Gamers website: http://bit.ly/2hY68Wk
The Official Illustration Book 4 can be yours for 2000 JPY or about 17.09 USD (+ tax).
Love Live: School Idol Festival is an iOS and Android rhythm game. It was first introduced in Japan on 2013 and also released an English version in 2014. Last October 14, 2016, the game reached over 30 million players worldwide.