is there isekai where the MC threw a big ass FUCK YOU to the summoner, like "why the fuck should i save your world?"
http://www.mangago.me/read-manga/the_savior_s_book_caf_in_another_world/
She demands A LOT the so called god almost give up
NO WAY IN HELL KAYDEN WROTE THAT LETTER, THAT'S CHEESY AF