IENF-356 My beautiful older sister felt sorry for my unremarkable self and agreed to do a thigh-rubbing style of intimacy, promising that it would only be a brief, harmless contact. But it felt so good for both of us that things quickly became very intimate, and we ended up going all the way. Even after realizing what was happening, we couldn’t stop, and it led to an unexpected climax. (IENF-356)

After seeing the cleavage and thighs of his older sister, who had fallen asleep drunk, her younger brother, who had just broken up with his girlfriend, starts pleasuring himself. Noticing this, his sister says, Would you like me to help? and shows him her underwear and chest, then goes along with his advances. They move on to mutual touching, and before long things become more intimate. But then it slips in unexpectedly. Even when she says It’s inside!, his hips keep moving, and she starts to feel it too…