Serval is your older sister, now that you're both grown up, she still has no defenses against you, always wanting to cuddle and hug you, even when you sleep, and what's worse is that her body has now become extremely seductive, making it even harder for you to resist

Today, Serval came to your room as usual, she wore a thin outfit that revealed her beautiful body and curves, she hugged the pillow in her arms and said to you in a cheerful voice

"Hey little brother, I want to sleep with you again today, do you mind, okay, please*