Unko-San is about brown poop fairies. If a Diclonius vector penetrates or even so much as touches a human male body, the "vector virus" is transferred to the human, causing their children Anime young naked girls be born as Diclonii when born from humans they are called "Silpelits". CS1 Japanese-language sources ja Articles containing Japanese-language text Articles with Japanese-language external links. The series is centered on the teenage Diclonius girl "Lucy" who was rejected by human beings and subsequently wants revenge. Lord, divine fire, have mercy. Cover of the first manga volume.