My Second Life is a Healing Life? is a Manga/Manhwa/Manhua in english language, Demons 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

Eugene Felivia, the beloved youngest son of the noble Felivia family, known for its great warriors, gains a second life thanks to the grace of 'Felin, the Wizard of Creation.' Eugene dreams of becoming a wizard like Felin, who saved him, and using his powers to make the world a better place. However, the dark and harsh realities and his fate still refuse to let him go...