Transmigrated to a Dark Fantasy World of SSS-Rank: King of the Void

[WARNING: R-18 | Explicit content, graphic violence, and adult scenes]In a vast and dangerous world devastated by the Four Great Ancient Mysteries, who can survive without shattering into pieces? Who would be unlucky enough to face chaos itself?Mitsuki Kirishima is the greatest gamer in historythe absolute best of them all. Behind the screen he is arrogant and sarcastic, a full-fledged hikikomori. In real life, however, he has two small problems. One of them is his appearance: no matter what he does, he looks like a pale girl with dark circles under his eyes!One night he received a strange email. Thinking it was something serious, he ended up accepting a promotion for a mysterious video game called "Crimson Souls." Big mistake. When he went to sleep that night, he felt something strange. And when he opened his eyes he was somewhere completely unfamiliar!But that wasn't even the strangest partthere was a system tattooed on his arm.Now, armed with what seem to be trash-tier abilities, he ventures into the castle of an ancient kingdom long devastated by the Ash. There, he will discover his fate under the title of "King of the Void," along with potential companions who are completely out of their minds.Ah and the final problem is that his social skills are practically nonexistent.What will happen to this weak gamer in this new world?NO YURI / NO YAOI / NO NTR