JUY-398: Yuko Shiraki, mam-yng-nghyfraith a phlentyn a gamgymerodd afrodisiac super-bwerus a gafwyd yn gyfrinachol gan ei gŵr am feddyginiaeth stumog i ddileu sexlessness

Yuko Shiraki, a mother-in-law and child who mistook a super-powerful aphrodisiac obtained secretly by her husband for a stomach medicine to eliminate sexlessness