Myriad Colors Phantom World, not related to Tinker Taylor Soldier Spy.
Earlier today, Kyoto Animation announced that they will adapt Sōichirō Hatano’s Myriad Colors Phantom World. No further details on the adapatation were announced.
— 京都アニメーション (@kyoani) August 14, 2015
Rough Translation: [KA Esma Paperback] We’re animating Myriad Colors Phantom World! Please wait for us to follow-up with more information!
Myriad Colors Phantom World is a near-future fantasy light novel by Sōichirō Hatano, which feature illustrations by artist Shirabi. The book was originally published under Kyoto Animation’s novel label in 2013. Earlier that year, the title won an honorable mention in the Novel category of the 2013 Kyoto Animation Awards.
Numerous illustrations and trailers were released to promote the novel, which you can check out below: