Oshiete Onii-chan
- artists
- tear
- series
- fate kaleid liner prisma illya
- characters
- chloe von einzbern, illyasviel von einzbern, shirou emiya
- tags
- dark skin, ffm threesome, group, impregnation, incest, inseki, loli, sc2017 summer, shimaidon, sister, sole male
- language
- japanese