Summary Tsuihou Yuusha no Yuugana Slow Life from Kainu Manga
Tsuihou Yuusha no Yuugana Slow Life summary: After suddenly being fired despite serving as a hero for 30 years, Alec was left with nowhere to turn. Orphaned from a young age, he had no parents to rely on, and having been a hero since childhood, he lacked basic common sense. With nowhere else to go, Alec ends up at an unexpected place—a slave market!?