I personally think up to around #8 is acceptable. Maybe if someone who was good at drawing drew #9, it could be really erotic but me on the other hand...moaningmoaningAh, no!moaning!!No! Ah!I'm... cumming..!No! I'm cumming!I'm cumming!I'm cumming!I'm cumming! I'm cumming!moaningI'm cumming!I'm cumming!I'm cumming!I'm cumming!moaningSaberUnexpected cumming face comparisonAhegao barrier