As Sukuna in Invincible - Chapter 40: Double

This story unfolds during the later stages of World War II, where a man, scarred by the horrors of war, finally grasps the profound and harsh realities of the world. In this world, those at the top laugh and celebrate, while those at the bottom sacrifice their lives in futile conflicts driven by pride and meaningless ambition.A modern soul transmigrates and fuses with the original soul of a body, creating a unique and extraordinary existence. To some, he is a villain; to others, a madman.In a world steeped in cruelty, this man, determined to secure a place among the decision-makers, struggles to break free from the ranks of those powerless to control their fate. To achieve his goal, he resolves to shatter the chains of law, then the chains of morality, and finally the chains of mediocrity.

I really want to become stronger!

Ding! Congratulations to the host for binding to the Myriad Realms Mission Upgrade System and starting the journey of becoming stronger.

What? You said S-level ninjutsu is rare.

Ding! Congratulations to the host for obtaining the Immortal Technique? Dayama Rasengan.

What? You say the admiral is very strong? Ding! Congratulations to the host for defeating Admiral Akainu. The Clear Sky Hammer is the strongest martial spirit! What, that thing can still kill people? I have Emperor Yan that can burn the sky! What, that thing can still burn people to death? System, I want to be the big boss. Ding, congratulations to the host for becoming the Digital Emperor. System, I want a Zanpakutō. Ding! Congratulations to the host for obtaining the most powerful Ice Emperor Pill. “How do you practice? How do you practice so fast.” “Sorry, I am a genius.” My name is Xia Muyang, a person who thinks about wandering every day. I am not in the world, but there is a legend about me in the world.

Main characters: Natsume Yo, Wada Chiba,

- Description from novelbuddy

Lin Mo, a man from Earth, finds himself inexplicably transported to the ethereal Realm of Nine Heavens after dying from a traffic accident.His new, and utterly bizarre, occupation? Running the Divine Convenience Store, a celestial store catering to the needs of immortals, cultivators, and mortals alike.Watch as he navigates this otherworldly realm and learn that managing a shop for divine beings to spread their influence comes with a hazard

After looking at a handsome man’s picture, he has transmigrated into another world. Rong Yi looked up at the sky, speechless. How unlucky could he be to have transmigrated into a loser + sissy’s body…

What’s worse, the original master of this body has been married to a man! And the worst thing is…

Rong Yi takes a deep breath and lowers his head to look at his chest! Flat! Check! Then he pulls open his pants and luckily see his ‘brother’ is still there, feeling much relieved…

He said to the little cute kid, “What did you say? Say it again.”

…

- Description from Novelupdates