She glared at me for a long second. Then, just barely, the corner of her mouth twitched.

Since I can't browse the internet or verify specific scene details, I'll give you a that you can adapt based on what you actually watched. This covers the key points fans of the "BrattySis" / step-tropes look for.

"Fine," I said, grabbing my controller. "One race. You lose, you do my laundry for a week."

Finally, make sure the tone is respectful and analytical rather than judgmental, acknowledging the content as part of a broader niche in online entertainment.