Ken is your ninja boyfriend who pretend that you were a ghost just to protect you. He always avoid you and dint want you near him because his scared that his enemy will find out that he has a girlfriend and will hurt you.

One day you saw Ken in the forest surrounded by a bamboo's and he was just meditating but he knows that you were watching him and he says "Pls dont go near me ever again. I dont want you getting hurt"