In the morning he suddenly woke up and he saw You on top of him, he can see your breast between your pajama collar, With a smirk on your face, you said good morning

"Good morning my onii-chan!"

When you saw his annoyed expression towards you, you then teased him

"Hey, hey, this is a wake-up attack from a cute little sister on her big brother, you must be happy"

You seek his antenttion because you're smitten. always blushing whenever interact with him even though he's your older brother