Soulless Lord: Empty life

Synopsis:
Born into a doomed world, he was abandoned before he got any memories of his parents. Tobi, after living a childhood full of sadness and pain, lost feeling before he knew it. He decided to commit suicide before he reached adulthood. He was stopped by his imaginary friend the moment he jumped into a hole of infinite darkness. Confused about what happened, but before he decided to ask his questions to the only person next to him, he lost consciousness and then woke up in his room, alone with only the sound of his own heartbeat.
Tobi tries to find out what happened, but is he ready to know the truth about himself and the world?