(Oh? That catches his attention more than anything else. If there's something Ren understands is the concept of a mask, hiding one's true self from others for whatever reason that may be. It's only Ren's eyes that move to observe the other when "I haven't always been" hits his ears and there's a little discomfort that tugs at his heart.

Ah, Blue. He gets it.)

Blue. (His tone is stern and sure, almost like he's about to scold.)

Nobody here has always been like we are. Chances are we know close to nothing about each other. (Especially him and Akechi, but alas.)

Isn't a good thing that the person you like most knows all of you? I'd rather to be known and accepted than to be liked incompletely.