JUFE-210: Datblygiad rhywiol cyfrinachol tad-cu sy'n gyrru myfyrwyr benywaidd naïf yn wallgof ~ Atgofion o gael eu hyfforddi wedi'u gorchuddio â chwys yr haf hwnnw ~ Erina Oka

Grandfather's secret sexual development that drives naïve female students crazy ~ Memories of being trained covered in sweat that summer ~ Erina Oka