I Mistakenly Flirted with My Younger Brother, so He Dragged Me Straight to the Civil Affairs Bureau to Get My Certificate.

In the morning, I woke up from my sleep, And beside him, there was a young man with eight-pack abs. "Nothing happened to us last night, right?" He held his head with one hand and looked at me with a playful expression. "Hmm?" He raised his eyebrows slightly: "Do you think it's possible?" Me: "..." No way. So I thought, I'm done!