Ike (Artist), IDEA FACTORY, DESIGN FACTORY, Otomate, Shirahana no Ori ~Hiiro no Kakera 4~ Official Visual Fan Book, Shirahana no Ori ~Hiiro no Kakera 4~, Gentouka, Ugaya Shiki, Snow Rabbit, Scan, Self Scanned, Official Art, Scarlet Fate: Fragments Of The Past