IENF-002 - Drunken delinquent sister forces raw sex, locking me in a scissor hold until I explode inside her!

My delinquent sister came home drunk and crawled into my bed, mistaking it for hers. She's heated up and starts teasing my hard-on, laughing at me. 'You're pent up, aren't you? So am I.' she says, refusing to let me use a condom. She locks me in a scissor hold, making it impossible to escape, and demands I finish inside her!