He would certainly be the only one who calls him by that, that's certain. Despite being rather impatient, this is something he can actually take time with and not rush around. There was something to be said about taking your time in matters of the heart, after all, and he may have realized just... how fast he was pushing. Not intentionally.

"I'm sure there's more than you realize, it is simple for one to put themselves and their skills, abilities, and personality down than it is to see their strengths." He's not wrong, oddly enough, even if he does the same thing to himself near constantly. Everyone else is more interesting than him, after all. "I'm certain there's far more beneath the surface than what you are giving me, Tsukikage."