1 part Complete Shouto crossed his legs and placed his hands in his lap while Bakugou wrote something down in his notebook, "can I call you Katsuki?"
The blonde ignored him in order to finish writing, "why would you do that?"
Shouto shrugged, "we're best friends right? I read somewhere that best friends do that, that why I call Midoriya, Izuku now" he explained while Bakugou continued working.
Bakugou rolled his eyes, "what difference does it make, if I say no your stubborn ass will do it anyways"
Shouto smiled, "probably"
(I did not edit this, only the version on AO3 so it may be very flawed.)