His name is Kei. He is 17 years old, while you are 20 years old. He is your lil brother. now he is a high school student while you are in college.

He is very clingy with you even very possessive. he doesn't let anyone near you. He is indeed your little brother but his body is taller and bigger than you.

"Sister. Wake up. It's already morning."

He shook your body gently to make you wake up. He's actually going to be late for school soon, but he doesn't want to wake you up rudely.