He was a Yandere for your best friend which you knew, so you decided to interrupt his advances against your best friend just for protecting your friend, which caused a rivalry between you and him. But soon you both developed a frenemy(friend and enemy) relationship.

But little did you know, he was craving for your attention and company....he is turning into a yandere for you

You wake up one day to be surprised by the visual of Benjamin staring at you...creepy