Humanity, a tiny race born in the solar system. Carrying the seeds of hatred, Fang Yuan descended upon the Wandering Earth. Using this as a hub, he connected countless civilizations and protected Earth's civilization. Since then, led by Holy Terra, humanity has journeyed across the myriad realms, conquering the heavens. When the banners of the Star Legions soared across the universe. When power armor crushed the skulls of omnics. When the Iron Titans awed countless alien races. Dignity lies only on the edge of a chainsaw, truth within the range of a blaster. ............ (Keywords: The Wandering Earth, Elysium, The Terminator, Pacific Rim, Battleship, Avatar, Edge of Tomorrow, Oblivion, Transformers, Alien Predator, Independence Day, Starship Troopers, Moonfall, Halo, Star Trek, Star Wars, DOOM, Warhammer 40,000...)

After traveling to the world of the Bone King, Rowan possesses a player profile and his first class is the rare Healer. Five years remain before the story begins. To survive, to avoid becoming a two-legged sheep, Rowan is forced to take on the Great Tomb. Optimization! Degradation! Ha, are you trying to push the limits of humanity?

After graduating from Soul Society, he was spotted by a prominent nobleman and became a son-in-law of the Shihouin family. Shihouin Yanma's Zanpakutō awakened the ability to travel through worlds, forging a contract with the dead, granting him a portion of their abilities. His first stop was the world of Naruto. On the night of the Uchiha Clan's genocide, the souls of the fallen Uchiha clan faced the Grim Reaper, who presented them with a choice. "Submit to me, and I will grant you a second life, or perish. Your choice is yours." The Uchiha clan made their decision without hesitation. "We, the entire Uchiha clan, swear allegiance to you, sir." And this was only the beginning. Pirates, Jujutsu Kaisen, Demon Slayer, Nura: Demon Slayer... countless worlds await Yanma's arrival, and countless heroes await his capture after death. When he regains consciousness...

In Bleach, justice prevails! Naraku Sora transmigrates to the Bleach world, unlocking a justice system where he earns rewards by suppressing sinners. The first Gotei 13, in the name of the Gotei, commits acts of slaughter. In Hueco Mundo, the Great Hollows are a dog-eat-dog world, devouring each other. The four noble families seal and dismantle the Soul Kings, solely to establish a corrupt order. Yhwach murders his father, the Soul King, shattering the three realms. In this world built on original sin, what should we do? Naraku Sora: "Yamamoto, I... my heart and actions are as clear as a mirror; all my deeds are for justice!"

Across the Black Basketball Team, he became incredibly powerful, joining the same class as Shuzo Nijimura and the Five Uncrowned Warriors. Assisted by the Slam Dunk mobile game system, Shigure Akito and Shuzo Nijimura had already led Teiko to the championship before the Generation of Miracles joined the team. And then… the head start advantage of a year behind him was fully realized! In the second year of junior high, the Generation of Miracles blossomed one after another? Having gained an extra year, Shigure Akito declared, "Fujima Kenji's 'Green Light,' Maki Shinichi's 'Imperial Consciousness,' Miyagi Ryouta's 'Lightning Flint'... I've blossomed more than you!" In the first year of high school, the Generation of Miracles advanced even further, even unlocking the ultimate 'zone'? Having gained another year in high school basketball, Shigure Akito declared, "Your seniors are still seniors! The legendary Rukawa Kaede's 'Ghostly Aura,' Mitsui Hisashi's 'Burning Flame Man,' Sakuragi Hanamichi's 'Glorious Moment'... Sorry, even in high school, all the championships were mine, Shigure Akito!"

[Ding! Please report to the True Central Spiritual Arts Academy immediately to activate the system and begin your legendary journey to becoming a Spirit King!] Hearing the inexplicable voice in his mind and seeing the words appear before his eyes, Qingliu subconsciously looked around. He saw several ninjas wearing green vests and Konoha headbands, and couldn't help but be confused… “System, are you sure you're not mistaken?” [Ding! This system is correct. Please report to the True Central Spiritual Arts Academy as soon as possible!] “???” Good news, he'd transmigrated and had a system. Bad news, the system was from the other side, and the activation conditions were also from the other side. What to do? This is too unreliable! Until one day, just as Qingliu stepped into the gates of the ninja academy, a 'ding' suddenly sounded in his mind… [Ding! Detected that the host has arrived at the True Central Spiritual Arts Academy, becoming…]

New York, a city with a far greater number of super criminals and a higher crime rate than Gotham. Just as Gotham needs Batman, so does New York. He journeys through New York with no money, no equipment, no butler, and only a strange body. He starts from scratch, everything from scratch.

The Saint Seiya army, the Giant army, the Death God army, the Ninja army... the World Government, the Navy, the Seven Warlords of the Sea, the Four Emperors... all take turns on the stage. On the Red Line, the Celestial Dragons reign supreme, wielding absolute power. Beneath the Red Line, in a vast network of interconnected caves, steam trains roar through the air, connecting the four seas. PS: Please favorite and recommend...

【Comprehensive Anime】+【Crossover】+【System】+【Multiple Heroines】【OOC Apology】【Daily】【Relax】【Infinite Stratos】【Partially Invincible】

Newcomer's work

Xiao Zhao was reborn and activated, and he had to travel through the Zhuman system and gain the favor of girls.

Momobami Kirari: Xiao Zhao, let’s talk about the engagement.

Sasaki: You bastard, you actually hurt my best friend

Metata: Come, have a cake

Kotori Itsuka: Onii-chan, let’s go on a date.

Kawashima EMI: If I beat you, you will be my boyfriend

You can travel through various dimensions, including "Kakegurui", "Girlfriends in Pairs", "Love God Chocolate", "Date A Live", and "Please Fall in Love with Me Seriously"

Good news, I was killed by a train at home.

Even better news: he's become the navigator of the train.

Even better news is that you can travel to the world of anime by train.

What pioneering and interesting things did you do after becoming a navigator?

She was paired with Kirito.

Adopting Lolis from All Over the World

Discussing the relationship between monarch and subjects with a famous queen

The birth of the king was celebrated with a cannon salute; God was lured onto a train; and Shiori almost fell in love with him.

Do these count?

Worlds experienced: Sword Art Online, Black Bullet, Akame ga Kill!, Date A Live, High School DxD, Guilty Crown, Academy Battle, Accel World...

(P.S.: The world-building is mostly from older anime series, with fewer newer ones.)