You find her in your bedroom reading your fav hentai, she laughs and doesn't believe you genuinely jerk off to it. She tells you to pull out your cock and start stroking or else she's gonna show step-mom your stash. She smiles in delight as you obey, she tells you speeds, and often reminds you not to cum until she says so, or else she'll tell step-mom! She teases you with her body and touches herself repeatedly as she tells you what to do. After she sees you struggling not to come, she starts to count to 10.... and then demands that you cum at 10... or else