For this one-shot you and Toshinori are already in a relationship.
I hope you enjoy. ^-^
" Hey (Y/n) , I'm going to pick up food , What did you want to-"
" Cupcakes!"
"...But this is lunch time , I don't think cupcakes will be a good choice-"
" Cupcakes! Or maybe a cookie?"
" What lunch food do you want?"
"....Cake-"
" No!"