Schoolgirls who only agree to sex on the condition of using a condom (scenarios include being attacked by a delivery man, tricked by a compensated-dating guy, or threatened by a private tutor).
The man secretly uses an aphrodisiac that makes their pussies extremely tight. The condom slips off without them noticing, and he continues with raw penetration and creampie while they are under the drug’s effect and too sensitive to care.