siyanda ngwenya , known as adams , was asleep after a drunken night of partying in the house in johannesburg .
the pair were last seen on tv kissing and cuddling in bed before the cameras moved away .
ngwenya reportedly boasted to housemates the next day that he had sex with the woman , whom mailonline has chosen not to name .
however , the alleged victim is said to have been shocked by the claims and reportedly told female contestants that she did not consent to having sex .