I Became A Vampire Demon

Unexplained explanation.

'Alright, since you don't want to sleep, I will use this opportunity to answer all those questions you asked when you were inside that game.' Lena replied.

'The reasons why you can't go to the demon world are simple; You are not yet strong. Demon world works virtually the same as how the human world does.'

'The illusion of survival of the fittest still stands. The weak are regarded as nothing while the strong are beheld as valuables. Though not quite as much as the way humans do disregard the weak among them.'

'Strong demons don't bully the weak ones as humans do. They only categorize them as trash, but not to the extent of making their life miserable by tormenting them.'

'Your going there will only include you in one of the overlooked weak demons. First get stronger before going there.'

'Your future with this system is great. It's greater than what you reckon. I want you to see earth as a preparatory arena. A place where you prepare yourself for the future.'

'Have you ever for o