MTL - Blackstone Code - ~ two thousand one hundred fifty-seven

A modern university graduate, traversing the window between two worlds, steals a celestial cultivation opportunity that originally did not belong to him. And this celestial technique, quite unorthodox...My credibility should be assured. In order to be responsible to the readers, I must earnestly remind you: my book is easy to linger on in your thoughts, so proceed with caution.

How long can one ignore the voices in their head?Nine years. To Mark, that was the limit.For the majority of his life, Mark White has been fighting a constant battle for his sanity. The voices in his head pushed him toward madness one whisper at a time, and the music he used to ward against them was gradually losing its effects.As his mental state slowly deteriorated, Mark spent more of his time working on a game he had been developing and lamenting his lack of romantic experience.One night, the voices dealt him a powerful blow, bringing their battle to an end. To his surprise, Mark won the battle, but that came at a great cost.The voices might have disappeared, but a visual hallucination arrived to replace them, taking the form of a character from his game: Maids VS Apocalypse. Little did he know that the real apocalypse was already coming for him.

Ian was an ordinary guy on his way to work when he suddenly found himself in a strange and dangerous world ruled by dark races like vampires, werewolves, and demons. Transmigrated into the body of a lesser vampire, Ian must quickly adapt to his new reality where survival is a constant struggle.Just when all hope seems lost, Ian discovers he has a unique advantage: The Strongest Body Customization System, which allows him to modify and customize his body by consuming biomass. With this golden finger, Ian starts to turn the tables, designing bone claws and other enhancements to give him an edge against the terrifying werewolves and other supernatural threats.But as Ian learns more about the Curtained Imperium and the rigid hierarchies of the vampire race, he realizes that defeating his enemies is only the first step. To survive and thrive in this dark and brutal world, Ian must rise through the ranks, uncover the power of his system.Need to fly? Customize a pair of angel wings!The body is small? Add hundreds meters of height and become bigger than Godzilla!Need a weapon? Customize bone claws and kagune on the spot!

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.