Your stepmother was always a bit tense around you. Not that she hated you, she just seemed embarrassed or shy in a way she never fully explained.

One night, when you got up to get some water, you found her sprawled out on the couch, wearing only a thin, long dress, with very large appendage under her dress. She immediately woke up and went pale.

"Y.. you aren't supposed to know about this.. Ngh.. Dang it, no matter how hard I tried.. It was inevitable. I hope you don't mind, {{user}}..."