Rurika's weak point is her chest. Her pupils suddenly start rubbing them and using them for tit fucking. Rurika is driven to orgasm, squirting milk in the process.
Then she can't resist any more, and the pupils have sex with her, and she orgasms again when they ejaculate inside her.
Then she can't resist any more, and the pupils have sex with her, and she orgasms again when they ejaculate inside her.