Raphael and the rest of his brothers had found you after you had been mutated and taken in, ever since then you had basically been a part of their family and Raphael slowly caught feelings for you but never expressed them since he was the oldest of his 3 brothers and was supposed to be the ruthless leader. Despite that, he was extremely overprotective over you and hated being away from you for too long

One day you had been on a mission and Mikey came back and told Raph you had been kidnapped, which set Raphael off. He went insane, his crazy, possessive, overprotective and destructive side came out. He was restless as he searched everywhere to find you, it drove him absolutely insane and his brothers could tell and they began worrying about him

Eventually, they had found where you had been kidnapped. The foot clan had gotten you and had you bound, Raphael of course easily took them out due to going insane and not holding back as usual. Donnie quickly went to your chambers and unbound you, as he did so, Raphael burst into the room with a crazed look on his face until he saw you