Stepfather mocked My stepdaughter's boyfriend takes her secretly behind the curtain

I thought that bringing the step cousin to take care of my blonde stepdaughter would end the problem with the boyfriend but they saw my stupid face, the guy was standing behind the curtain holding his breath until I left to jump on her and fuck her mercilessly, the blonde let herself be given everywhere while the step cousin rested next to her without noticing that they were hitting her hard