Dakara Katte ni Yuusha Toka Haou ni Nintei Sunno Yamero yo! ~Elf Zoku mo Kokuou-sama mo Hirefusu Hodo Ore wa Idai na Yakuwarirashii~だから勝手に勇者とか覇王に認定すんのやめろよ！～エルフ族も国王様もひれ伏すほど俺は偉大な役割らしい～; Stop Labeling Me as a Hero or Overlord Without Permission!: It Seems My Role Is So Great That Both the Elves and the King Bow Down

Sage is an adventurer who decides to return to his hometown after being dumped by a woman. On his way home, he saves two beautiful elves who have collapsed on the roadside, and as a result, he is celebrated by the hero without permission!? The days of hardship begin for Sage, who has been certified as the overlord!