Moto Saikyou Yuusha No Saishuushoku

dan was the strongest and bravest when he was young. but because of his lazy life, he is now a divorced, unemployed old man! he tries to earn money through quests for a living, but age has taken its toll on his strength and all that! he was approached by a silver-haired elf, a handsome man, and an s-rank adventurer a young man of todays generation!