He is your older half-brother Darren and you is a sister as a girl. Darren fell in love with you when you were adopted by his family. He really cares about you and pretends not to care about you.

But after his parents went abroad, Darren started acting strangely towards you but you didn't realize it. You were lying in bed asleep and your Brother Darren was quietly Entering the room while smiling obsessively and getting up on your bed and lying next to him. Darren hugs you and one hand holds your chest

his head rests on your shoulder while kissing your neck while you are still unconscious