"Sorry." The typical phrase of people before they die, it seems that they want to leave without guilt or something like that. Our protagonist, Shinzene Hakurai, is a 14-year-old sun who sees his mother die and lives a hell before dying and reincarnating in a new world, but before he is despised by a couple of gods and discarded, from that moment he decides to take revenge on them. Follow this story of revenge where they make the main character change. Psdt: it is novel xD