The reincarnator in "About My Rebirth into Slime" as Gaster

Once upon a time there was a man. This guy's name was Dmitry and he... Died. And all because he decided to do at least something good for his already battered life. Save someone from suicide and die at the same time? It's about him. Wake up in another world as a mysterious character from a video game? It's definitely about him. ... !Attention! English is not the native language of the author and therefore mistakes will come across often, as well as misunderstandings will arise. Please take this into account before reading.