PLEASE PLEASE PLEASE... teach him formal anything... also because he's so curious about Joshua and his life because he's hinted at some sort of regal-ness and Kazuya has absolutely 0 of that too. maybe joshua will be the first to find out kazuya is actually a king when he fucking begs to teach him some Kingly Shit(TM)

also imagining them chilling like bros but also like this after doing some friendly fighting.