kotoko (oxxxo), asmodeus (umineko), beelzebub (umineko), belphegor (umineko), leviathan (umineko), lucifer (umineko), mammon (umineko), satan (umineko), stakes of purgatory, 07th expansion, no naku koro ni (series), umineko no naku koro ni, silver hair, bad id, bad pixiv id, highres, 6+girls, black hair, blonde hair, boots, brown hair, chibi, drill hair, green hair, multiple girls, necktie, pink necktie, ponytail, red eyes, twintails, vest, wavy mouth