Transmigrating into the world of A Certain Magical Index, Gu Chen awakens the Inventory System. It allows him to extract corresponding templates from the powerful figures observing the inventory, thereby further enhancing his own strength! 【Inventory of the Highest Dimensional Worlds】—NO.10, A Certain Magical Index World! Combat Power Rating: Beyond the Limit of a Single Universe! Ceiling: Numerous Demon Gods! Gods possessing infinite power, capable of overturning all laws! NO.9, Pokémon Universe! Combat Power Rating: Multiverse Level! Ceiling: Arceus! The supreme being who observes Pokémon and humans throughout all universes! NO.6, Cthulhu Manga Series! Combat Power Rating: Infinite Box Level! Ceiling: Azathoth! …When this world of supreme power across all realms enters the eyes of countless crossover characters, the power contained behind each seemingly ordinary world is unimaginable! It makes countless powerful figures feel their scalps tingle and their worldviews shattered! Saitama: There are so many powerful figures! I still need to train! Star God: Hiss—! There are such worlds?! Are we really the weak?!

[Original world, invincible debt-ridden protagonist, with elements from film, animation, games, and novels]

Good news! Natsume has traveled through time!

Bad news! I was cursed after transmigrating and only have three days to live!

Good news, he awakened the Debt King talent because of the curse.

The bad news is that even if one awakens their talent, it will be difficult to lift the curse within three days.

Good news! The Multiverse Chat Group is here! He can borrow money from group members to solve the curse problem.

The bad news is that the group members aren't stupid; it won't be easy to get help from them.

Tony Stark: "Have you ever seen a magical Iron Man, wearing an Iron Man suit, opening portals to teleport and fight?"

Daigo Masakado: "Is it alright if I put armor on Tiga to prevent him from getting hurt?"

Alicia: "Natsume, quickly turn into a beautiful girl and make me happy."

Kiana Kaslana: "Natsume, come to the moon and cover my shift. I want to go shopping with Mei on Earth."

Dante: "Natsume, to maintain the tradition of the Spartan bloodline, we must be stabbed before the war begins."

Morax: "In general terms, I should be able to smash that island into the sea with one Starburst."

······

Watch as Natsume, with the help of his friends, enjoys himself in his own world while also making up for those regrettable regrets in their world.

(Spoilers + Time Travel + Multiple Realms, a spoiler-heavy variant, proceed with caution if you dislike spoilers!)

Having transmigrated to the world of the Starry Sky Railway, Su Bai obtained the Super Dimensional Auction House, which allows people from all over the world to participate in auctions.

Among his auction items were many precious treasures, but the most precious were the fates of his guests.

Black Tower: "Huh?! You're saying the machine head is going to die, killed by the Iron Tomb of the Annihilation Lord?"

Alicia: "Is this our final ending? It really is a romantic story♪"

Tianli: "Me, knock? My men have all rebelled?"

Aizen: "The universe is so vast, yet my eyes are only focused on the Hogyoku. That's far too narrow-minded."

Luo Ji: "Is this a trap set by the Three-Body Problem? Huh, what the heck is this two-dimensional foil?"

Thanos: "Star God? Is he strong? How does he compare to the Infinity Gauntlet? Oh, and you even have Infinity Stones to contend with?"

Batman: "There's a Kryptonite auction? I'll take it..."

Feng Baobao: "The rat talisman I filmed is so much fun... but it's also very expensive!"

Su Bai: "You all say my auction items are ridiculously expensive, but who knows how hard I worked to find them!"

Telekinesis, extrasensory perception, hallucinations... An accident during an experiment brought Subject 11 to the world of Fairy Tail. ... "So, am I a psychic or a mage now?" Elivin pondered this pointless question, clutching his head. —————————————————————— No cheat codes, no system, no One Piece or Naruto cameos, just pure Fairy Tail fanfiction. I wanted to write a heartwarming and enjoyable Fairy Tail story. PS: I'm really bad at writing synopses, so check the comments if you're really struggling!

Having transmigrated to the world of Fairy Tail, the protagonist gains the power of words; each letter contains immense strength. B – blaze, F – frozen, P – power… Relying on the abilities granted by words, the protagonist advances on the path to becoming the strongest mage!

Leo Erig, a third-year student at Soubu High School, is secretly a demon. In this world where demons, angels, and fallen angels exist, he, having just been promoted to a high-ranking demon, asks his beautiful junior in the Service Club's activity room, "Do you believe in the existence of demons?" This is the story of a half-demon, half-human, who gradually lets loose in this seemingly peaceful yet extraordinary world as he tries to subdue his familiars. Demons don't fall in love unless you willingly submit... (PS: Eight completed novels: *The Great Summoning of Girls*, *All-Around Fantasy*, *Instant Death*, *The Summoner of Miracles*, *The Demon King Doesn't Need to Be Defeated*, *I Just Want to Be a Supporting Character*, *Expectations in Another World*, and *Fantasy Library*. Ten years of writing experience...)

Humans devour, their power overwhelming. Having perished in the darkness and chaos of his past life, a drop of Li Qingxu's Ancient Sacred Body essence blood was thrown into the Devouring Star World. Possessing the Ancient Sacred Body, he rebuilds the Heaven-Covering Technique. Li Qingxu declares that as long as the resources are sufficient, all alien races will be annihilated! There's a famous saying: "Even a pig can become an immortal after a million years of cultivation!" What if one cultivated for an entire reincarnation era? A Mortal Immortal? A Celestial King?

I awoke from a dream, incomprehensible murmurs echoing in my ears. Forgotten myself, lost my past. Looking around, I realized I was in hell—explosions raged across the azure sky, bullets ravaged the streets like a torrent, and war burned constantly across this land. The aliens who lived here possessed seemingly fragile yet fearless bodies, forming gangs for their own purposes, killing each other day and night. Then, they discovered me. They called themselves students, told me this place was called Kivotos. They also called me—Teacher.

Exorcist master Lin Qiansheng transmigrates to a crossover anime world and is adopted by the Touka family. After growing up, he transfers to a new school. A whole wave of crossover anime heroines attacks Lin Qiansheng! There's the beautiful aunt Kurashiki Reika who wants to kiss him within five seconds of meeting, and the cold and aloof witch Tsukishima Kyoko as his homeroom teacher! The baseball club manager is Nanao Akane, and his landlady is Asou Miyuri! The class president is Shiina Chizuru, and his classmates include Murasaki Natsuha and a trio of gal girls! There's also the silver-haired beauty Yuki-onna Yukino Fuyuki, and a school called the Private Seika Girls' Academy... But this world has been invaded by evil spirits, and minotaurs are everywhere! As an evil spirit slayer, minotaur nemesis, and exorcist master, Lin Qiansheng will defeat these evil spirits one by one, thwart the minotaurs, exorcise demons for the heroines, and protect pure love!

[Infinite Flow] + [Growth] + [System] + [Level Up]

Lu Ling transmigrated into her body in a parallel world, which unfortunately turned out to be a dangerous world like Jujutsu Kaisen.

Fortunately, with the system's support, I can become stronger as long as I fight.

---------

The first world: Jujutsu Kaisen Chapter 0.

The second world: Demon Slayer.

The third world: Hunter x Hunter.

The Fourth World: Jujutsu Kaisen Main Story.

......

Watch as Lu Ling travels through different worlds, challenges various bosses, prevents tragedies, and becomes the strongest.

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Urajimaru: "Megumi, don't you think Senior Lu went too far?"

Muzan: "Demons see him as if they've seen a demon."

Xiao Jie: "This is the first time I've ever seen someone chase after Hisoka and beat him up."