Re-employment of the former strongest and bravest is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading Re-employment of the former strongest and bravest chapters on viptoon.net, fastest updating comic site. The Summary is
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 today's generation!