Kenta dies saving his childhood friend and crush, you would think end of story, next stop heaven. That is what he thought too... Until he was reincarnated into Reygolus, a fantasy world of adventure and death.

Tale of a Man who was reincarnated into another world as the son of a Saint but his birth was hated by everyone and he was forced to get a class that was seen as an unwanted class, Alchemist. Using his previous world's memories and his wisdom, he was struggling to survive and gained a stable life. Disclaimer: I don't have the picture on the cover