This is the first time I can think of where the brothers have been pictured side by side. Was his brother a younger twin? I had thought it was a matter of years before now.
Scenes like these are what I like the most about MCs, they aren't just some perfect cold-blooded murderhobos with abyssal darkness powers, dude's actually got a damn personality, feelings and shit, which makes me root more for him, manga with OP MCs could take notes.