From Abyssal Invasion to Bursting Stars with a Single Sword - Chapter 498 - 324: Destroying the Abyss Meat Tumor, Conscription Time Ends

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Horror of the Continent: The Immortal King Brings Despair, While the Light Knight Defies the Divine Will.In an era of chaos, numerous heroes emerge, striving to navigate the tumultuous land. However, amidst this turmoil, sudden and enigmatic forces make their appearance on the continent.Little did they know, it was all me.…To be precise, they were my alter egos sent to this other world.#Unintentionally becoming the villain of the world.#Somehow, I become both the demon king and the hero.#One person, multiple roles.

[Ding!][Acquired the Dragon Queen's Legacy][Acquired the Elf Queen's Legacy][You have awakened the Strongest System]“It's real...! Isekai is real!”******Drax is a laid-back, calm and collected highschool student who accidentally loses his life on Earth and, in turn, has his soul is summoned into the body of a baby in another world, one where mana and magic abound.Blessed with a Dragon Legacy, an Elven Legacy and the love of two mummies, Drax decides to enjoy this second life being free and lively freely, not conforming himself to any world system.“The only way to be the freest person is to also be the strongest person,” Queen Freya said to him.And so begins Drax's journey to become the strongest and freest!