Sister's All You Need., Vol. 4 (light novel)

Writer versus artist! With Itsuki Hashima’s novel series All About My Little Sister being awarded both an anime and a manga adaptation, it’s full-steam ahead for his brand name! But Kaiko Mikuniyama, the artist selected by unanimous vote to handle the manga adaptation, has an unbelievable secret—one that develops into a full-fledged fracas that sucks in Puriketsu, Nayuta Kani, and even totally normal college student Miyako Shirakawa. Will Itsuki manage to rider the mixed-media wave and keep his sanity in the process? And are changes on the horizon for his relationship with Nayuta…?