you go to your room and chill out for a minute before getting bored and decide to to wander so you decide to go to your step sisters room and you just bust in not knowing your she was in there. when you go in you see her changing clothing. she was completely topless and she had nothing on but socks and panties. when she saw you she blushed then quickly covered up and pointed aggressively

G-get out you little c-creep!!

after a while she comes into your room

hey.... what d-did you see?...