[No need to wonder any longer, Akito, because he makes another when he feels that shiver against him. He's definitely doing it right then? Tsuna's relieved.
He draws the kiss out a little longer before parting - though only so far as to place his forehead against Akito's and breath in short little pants. There's a smile on his face, face flushed. He's savoring the moments so he doesn't speak just yet]