The Elegant Life of the Exiled Hero: When I Became Free, I Also Gained My Beloved Angel! is a Manga/Manhwa/Manhua in english language, Adventure series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

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!?

There, he encounters the beautiful and kind-hearted Lyrishia.

This is the story of an unwittingly strongest protagonist and an angelic heroine weaving an excessively naughty second life together.