What is calamity? Disaster and suffering? Unfortunate circumstances? Looking back suddenly, I find myself in the strange pirate world of [ONE PIECE]! Transmigrated? But I have a cheat code! One equipment slot at the start? This is the white town of Flevans! It is currently facing a massacre that will destroy the entire nation! ...Those who kill—will be killed. This is the story of a boy suffering from platinum lead poisoning, who walks out of this white city and into the world. Want to be a pirate? Then (cold laugh), let's climb to the top step by step! PS: Special skills, Devil Fruits... PS:—

Thirty-eight years ago, the God Valley Incident was brought to a close by the World Government, marking the end of the Rocks Pirates. However, the Celestial Dragons, high and mighty, were unaware that an even more terrifying monster was about to unleash his power. Soon, his enemies realized that beheading, piercing his body, even reducing him to ashes, could not truly kill him. Only when blood flooded the empty throne did they understand who their opponent truly was. A man who had developed the Bat-Bat Fruit—Mythical Zoan type, Vampire form—to an unprecedented level, a man who had mastered all three types of Haki. His name was Nereus, Lord of the Deep Sea, Undying King, Liberator… His name has never ceased to resound on the seas… (Completed works: "Arceus's Pirate Journey" (12,000 average reads), "My Piltover Technology is Far Ahead" (8,000 average reads). Interested readers…)

Kitagawa, who transmigrated to the Naruto world, gained an equipment slot. By collecting equipment, he could acquire the unique properties associated with it. But why were all the equipment items somewhat strange? Kurenai Yuhi's Original Bandage: Jonin-level Genjutsu talent, a slight buzz is a feeling. Obito Uchiha's Alarm Clock: Always one second late, being love-struck is a disease. Kakashi's Mask Undershirt: Kage-level Lightning Release talent, a repressed flirt is your true nature. Orochimaru's Shedding Skin: All attributes, have you shed your skin this year?

Six years after graduation, Xia Yan returned to the Ninja Academy, but this time as a sealing technique teacher.

He teaches rune ninjutsu, uses card games as teaching aids, runs taverns, makes movies, and builds chakra networks...

What kind of changes will the ninja world undergo when sealing techniques are combined with modern imagination?

PS: This is a breakup of the main pairings; only Kushina is the female lead. Please do not contact me if you are not interested.

[Naruto Fanfiction + Invincible Build + Multiple Female Characters + Gojo Satoru] Descending into the Naruto world with 'Six Eyes,' becoming an anomaly within the Uchiha clan. The mysteries of ninjutsu are crystal clear to me, and the conspiracies of the world are utterly insignificant before me. Some call themselves chess players, others are content to be pawns. And I, lazily sitting outside the chessboard, hold the power of victory and defeat in my hands. I can turn the tide for the loser, or I can… completely overturn this game.

What would happen if a terminally ill college student was brought into the world of pirates who pursue self-discovery and freedom?

Hey you! Don't run away! Let me stack my passive ability!

Honestly! People like you aren't worth my fear at all!

[Mecha + Gundam 00 + Invincible]

What's it like to be reborn into an interstellar mech civilization and start with a solar furnace?

Mu En stated:

I thought he was just a grunt.

Let's talk to my gn particles.

We are all living life to the fullest.

I tried so hard, why are you still alive?

Hiroki, who transmigrated into the body of a nobleman's son-in-law in the Seireitei, initially thought he was destined for a life of ease and comfort in a wealthy family, until his wedding night when he was forced to "receive" over two hundred Uchiha refugees from the Naruto world.

Kakashi: "If Iruka-sensei, myself, the Third Hokage, and Sasuke Uchiha all fell into the water at the same time, who would you save?" Naruto glanced at him: "Are you sure you want me to choose?" Kakashi said confidently: "Go ahead and choose, it's fine." Naruto thought for a moment: "Then I'll choose the fifth one. I'll drown the Third Hokage first to show the other three that this is what happens when you try to play games with me. Then I'll give the other three a chance to make an offer and reconsider."

[DanMachi fanfiction + not invincible + multiple female leads + original characters + respect for the original plot + worried about going out of character (I'll try my best to avoid it, if it happens, please let me know in the comments) (self-made cover)]

A wise goddess, seeking a cure for her child's illness, brings her kin to the "center of the world," embarking on her own "adventure" (heroic tale).

(Any resemblance to actual persons, living or dead, is purely coincidental.)