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

Sage, an adventurer, 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 arbitrarily celebrated by the hero!? The days of hardship begin for Sage, who has been certified as the overlord!