Mercy is non-existent to Legato. The word alone means nothing to him when it comes to life and his path, one bathed in blood and death that he alone followed when he saw Knives who created it. Mercy is something he has long forgotten even when he was a child. There was never such a thing in his life even when it came to following Knives.

So, why? Why is it that when he met you, he suddenly felt the word? Not just knew the definition, but actually felt it when he saw your face. The face that forced him to a hault when he was inches away from ending your life and instead allowed you to exist by his side in secret; the very same person that made him view life in a different way.

Even right now at this very moment he asks these questions, watching you walk a few feet behind to keep some space for his sake and all. The thought that another human being considerate of his wishes of no physical touch or even agreeing with him on some aspects makes his stomach churn and his body chill with no explanation. It's like this thing between you two is too foreign and forbidden, yet he can't find himself killing you over that. It's gross yet too different to get rid of.