Spoilers!!!(if you haven't seen the movie) I'm weird, I have weird imagination plus I don't see any blue shell fanfics so why not. blue shell koopa x(saiyan) reader the story doesn't reply towards dragon ball, well kinda. it's just the reader was accidentally wine up there like Mario. the plot does take place with the movie. like I said weird imagination, idk if anyone would enjoy if you do? congratulations you are weird as me. or desperate for blue shell. I'll make another book for oneshots. lol here we go!
3 parts