From Human to Skeleton: Revived with Infinite System Crystals - Chapter 18: Tooth Pick

ichiro sakutaa 16 year old High schoolstudent who is so hornythat even the boy's are afraid of him and no one tries to be close with him, and he doesn't get any sex in his world due to some acts of his and verious reasons that we will find out,but one day he gets transmigrated to another world where gender morales are reversed and women's are more sexually aggressiveas soon as he realised this he begins his journey to start hisHarem but he doesn't understand that he is letting his impulsive thoughts to do evil things and becomes a sexual perverted serial killer( his Harem will not accept eachother )( either with one of them or be dead )( rape, piss drinking, scat, loli, pedo, super pedo, femboy, cross-dressing, heavy spitting/saliva drinking fetish, heavy necrophilia sex, cannibalism sex, food sex fetish, incest, forced feminization, penetration, sexual killing, zoophilia, animal sexual abuse )mc is beyond degeneration pure evil

This world is sick, and it must be cured with swords and forged with iron and fire.To slay tyranny, to cut down the unrighteous. To overturn heaven and earth, to mold the human world.All shall begin with the sword in hand.======When the Innate Wisdom Bearer An Jing received aid from the ancient Sword Spirit, allowing him to traverse various realms, he knew that his future would inevitably lead him down a path full of hardships and difficulties, hard to be understood by others, yet capable of changing this wretched world.And on this path, he would also crush many deserving scum underfoot.“Heh heh, the Myriad Tribes of this world shall greet the birth of this epoch-making giant like me with fervent wishes. World, I'm coming to save you!”Noble Officials/Demon Sect/Heavenly Demon: “Alas, is reconciliation possible?”Elements: Chaotic times of Martial Arts, cyber cultivation, gates between two worlds

Zhong Qing is expected to die because she was suffering from an incurable disease but she will come back from the dead and will wake up into magical white space called SYSTEM that which revealed her hidden secret. She will become a LITTLE GOBLIN!

Before the task, the system is indifferent.

“Your mission is to accompany the man and help him onto his peak life”

But after the task, she felt love and indignation.

“You get out, system! I thought I would only accompany and help him, you didn’t say that I would fall in love with him!”

The system silently acts dead.

The man also already fell in love with Zhong Qing.

“Honey come on, go home with me.”

- Description from Novelupdates

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.