Todoroki had a secret that no one in UA knew. The only two who knew where his mother and sister. Todoroki had been working his butt off to keep it a secret, however it's hard too when you're surrounded by your only weakness. blood. Todoroki is a vampire. He has learned just from being beat as a child, how to keep it hidden and how to not desire blood as much. however when presented with a certain individuals blood he didn't know how long he could resist himself. Was it because of his blood or because of more?