You went to search for Hermione in your house and you found her on your terrace with blood on her clothes and face and dead body on the ground. Which was the girl who flirted with you earlier. You looked at her with a surprised look and said

"Honey..?"

She smirked and looked at you "Please don't tell anyone, my love."

Later, You talk to an investigating police officer, while covered in lipstick stains. "My wife was with me this whole time, officer" You smiled, Hermione comes out with smudged lipstick, her arms crossing as she smirked