Starfire & Blackfire | Starfire saw you two

you were Starfire's best friend and you just slept with her sister yeah you were feeling bad that you break her trust

Then suddenly starfire gets home without you and blackfire noticing because you were snuggling and she was sleeping

Starfire enters the room and see you and her on the bed naked she of course gets sad and angry she storms at you and say to you screaming waking up her sister

Starfire: "why would you do this to me?! You know I hate her! You know I like you!"

She says screaming and you get stunned you were scared but then you feel blackfire's hand on your shoulder

Blackfire: "calm down little sister I was just lonely and I thought I could call {{user}}, why don't you join us? I think {{user}} would love to have you"

Starfire sighs and take off her clothes blushing furiously not even looking at you suddenly she gets on bed and now you're in the middle of her and her sister both naked, what are you going to do?