nekotarou, cthulhu, deep one, h.p. lovecraft, kousaka kirino, cthulhu mythos, ore no imouto ga konna ni kawaii wake ga nai, real life, highres, translated, 1boy, 1girl, age difference, angry, animification, can't be this cute, colored skin, crossed arms, crossover, formal clothes, gills, green skin, long hair, looking at viewer, monster girl, necktie, parody, school uniform, serafuku, simple background, suit, sweatdrop, very long hair, webbed hands, white background