Professor Vampire. - Chapter 194 - Dementors invade Hogwarts.

Kanda Kyoichi transmigrated to Konoha and became a temporary instructor at the Ninja Academy. Fortunately, he awakened the Mentor System.By teaching others, he could earn rewards.Thus began Kyoichi’s career as a “teacher” in the ninja world.Shisui: “Sensei’s unique interpretation of the Will of Fire has given the Uchiha Clan a true sense of direction!”Asuma: “The essence of the jade lies in protecting the people, with the advanced leading the way for the less experienced. Only then can Konoha become stronger!”Kakashi: “He’s my life mentor. He transformed Konoha!”...Years later, in the memoirs of Kyoichi, now the Hokage, he wrote:“I honestly just wanted to be a life mentor!”

What happens if a 21-year-old who was looked down upon, bullied, and tortured even by his own family since a small age and in the end, left to die...gets power? Power to change his and even others' reality?

Beaten, tortured, and cast aside by his own family, Luke finds himself sold for his organs at the end of his life.

However, that was not his end, as the mysterious encounter he had two years prior to his death awakened something in him.

Yes, it was a system. A reality system!

Watch “Arkhen” as he turns into a Tyrant after rebirth and change his and others' reality!

Revenge? Check.

Op powers? Check.

PP size? Check.

Dominating MC, who follows his desire like a tyrant and grows? CHECK!

Aoki’s resolute face was indifferent. “If the sun doesn’t shine on me, please let me be surrounded by darkness!”
From a different perspective, look at the entire Pokemons world.

- Description from Uukanshu

Chi Yan had always had a weak constitution, and ghosts had always tried to kill him. He had tried many ways to change his situation, but it was all futile.

Coincidentally, Third Master Ye of Shiming City passed away, and a priest informed Chi Yan that Third Master Ye possessed the “look of demon,” Carrying a bit of this man’s ashes and installing an altar for him at home could help control the evil spirits around Chi Yan.

Left with no choice, Chi Yan took a gamble. Amazingly, it worked. However he didn’t expect that he’d be instead be haunted by the most persistent ghost of them all.

Obsessed with love, undying resentment, possessed by evil.

- Description from Novelupdates