Alike {D.Gray-man}

As days passed in his prison, Allen just wanted to get his life back. He wanted his friends and family to stop looking at him like he'd kill them at any moment. Allen blamed the Fourteenth for the hardships that came upon him as soon as he was awakened. However, as time passes, they start to learn more about each other. They begin to realize that they have more in common than they are willing to admit, with the addition of an old acquaintance pushing them in the right direction.
....
"Why do you choose to drive me mad?" Allen asked.

"It is not my purpose to drive you mad. My aura is not fit for those who wield Innocence," The Fourteenth explained, "It will continue to drive you mad until we are separate."

"How do you plan on doing that? And even if you did have a plan, why should I trust you?" Allen asked.

"I saved you once already."

"Once is not enough to remove everything you put me through!"

"Allow me to show you! Allow me to convince you that I am not the person you make me out to be!"
...
Disclaimer D.Gray-man does not belong to me it belongs to the wonderful Katsura Hoshino