Demons roamed freely, dominating the world, while humanity, weak and vulnerable, struggled to survive... until ten thousand years ago, when magic appeared, humanity gained the power to change the world order. One after another, supreme powerhouses borne heavy burdens, striving to secure more living space for humanity, until this day.

Su Xuan transmigrated to the world of Teyvat and activated the [Future Weaving] system.

The lottery is conducted by collecting viewers' emotional values.

The battle between justice and the abyss is raging, with all living beings as the chessboard.

Su Xuan, as the fifth invader, invaded the seven kingdoms to carry out the Mind Repair Project.

In an instant, war raged throughout Teyvat.

Jean: "I never imagined that I, who have always been diligent and hardworking, would be regarded as a traitor by the citizens of Mondstadt."

Ying: "Paimon is going to become the seed of the new World Tree in the end? That's so sad."

Funina: "Su Xuan won't bring the people of Fontaine to judge me, will he? He won't send me to the guillotine, will he?"

Walnut: "The Rebirth Hall is having a big sale! For those of you who can't go to the new world, would you like to apply for Rebirth Hall services in advance? There are discounts available."

Paimon: "Luminous, as the fourth Adventist, you must use all your skills to defeat the fifth Adventist and prevent the war from breaking out."

Ying: "Paimon, you..."

[Day 1 of time travel, Tokyo, Japan. I'm just five years old. Good news: my family is rich. My childhood friend in a kimono is adorable.] [Day 3, bad news: 1983, Japan's bubble economy is on the verge of collapse. Coincidentally, my family is in real estate...] [Day 10, Holy crap! A system! My childhood is saved! This skill makes money, learn it! This skill increases intelligence, learn it! This skill can see through lies, learn it! And combat skills? Too expensive, using them would only increase medical expenses and compensation costs, don't learn it.] [Year 6, the real estate economy collapses, many companies go bankrupt, but my family's business is booming. We invest in schools, build bridges, and even take over the bankrupt main family's assets. Our time to separate and hold our heads high has come!] [Year 6 and three months, the main family's woman remarries my father. My new, cheap cousin is adorable.] [Fifteenth year, university opening ceremony. I meet my childhood friend whom I haven't seen in a long time. She says her name is Ryougi Shiki.] Is it too late to learn magic now? Nobody told me this was Type-Moon!

Shirayuki Satoru simply stood there. The girls: Thank you for giving me meaning in life! Goto Ichiri cried out in alarm! Faced with the group of girls trying to cheat on her, she dared not be angry or speak out, swallowing all her grievances. Fortunately, a savior, also a pink-haired girl, appeared! Chihaya Aine: Ichiri, don't be afraid! As two-faced emperors, we are invincible! Surrounded by the girls, Shirayuki Satoru smiled slightly, waving his hand to instantly subdue them all! Not a single one escaped! As for the whispers of the bystanders… What!? You dare speak to me like that? Don't you know my father is the Superintendent General of Police? (Involves Bondori, Rock Lady, Lonely Rock, GBC, Day School, and Saekano)

What would happen if you replayed the story with your max-level account? Gudako looked at the dazzling array of Servants on the Silver White Servants and clung to their thighs. "Please carry me, boss!" Black Saber stared wide-eyed at Morgan from the Lostbelt. "You are! My sister!" Jeanne d'Arc looked at Metatron Jeanne lazily leaning against the Silver White Servants and vehemently denied it. "This lazy guy isn't me!" Nero stared at Draco, the Sixth Beast, in front of her, stunned. "You mean, this human evil is Yu!" The Silver White Servants arrived at the Grand Temple of Time, with Draco on their left, Ereshkigal on their right, and the Director of Unbeast behind them. "Goetia! You're not at the Grand Temple of Time! Where are you!" System, harem, mindless, lighthearted, a little bit of romance, slow pace.

Izumi transmigrates to a world where everyone can convert their past life memories into power in this life. He initially thought transmigrators didn't have past lives, that he was just an ordinary person in his previous existence, but suddenly he gains the powers from the anime he used to watch. First life: Kirito... How could I, Kirito-sama, possibly do gua sha? Second life: ... Third life: ...

As a rather unqualified fox spirit, Mei Xue, who has forgotten his own age, has many titles, such as "The Cutest Beast of the Reunion Movement," "The Hungriest Beast of Rhodes Island," "Talulah's Genji," "Kal'tsit's Little Lover," "Amiya's Fiancé," "42's Personal Body Pillow," and "Frostnova's Reserve Food," etc. But even Mei Xue has his own troubles. For example, how can he persuade his sister-in-law, Chen Huijie, not to try to kidnap her brother-in-law and marry him? How can he persuade Rosemary not to try to lock him in a dark room? How can he persuade Jingzhe not to cling to his tail all day long? And of course, most importantly, [Si Chong is not cooking today].

As Shuiyue's older sister, Miss Skadi was extremely proud. Her Shuiyue was so cute, so well-behaved, so outstanding, so sensible, a first-rate cook, and an amazing gamer—he was practically the underwater pearl of Agor! The best boy in Terra! "Miss Skadi, your brother has run off with another woman again." "Ghost Shark, I'll fucking kill you!" Okay, if there was anything Miss Skadi worried about about Shuiyue, it was that he was always being seduced by other women. "Now I regret it, I deeply regret it. Why did I have to be so foolish back then and..." [Fourfold, no cooking today]

Sun Buxiao was unfortunately defeated by millet porridge at a breakfast stall, and when he opened his eyes again, he found himself in the world of Battle Through the Heavens? While not entirely satisfied, at least he'd brought his porridge bowl, right? And since he was in this world, he had to find a way to bring some abstract shock to it, like—"Mr. Han Feng, did you really get noticed by the Medicine Venerable through...that?" In the Black Corner Region, an unknown big shot asked Han Feng. "Are you Hajime, the bassist in the Central Plains Girls Band?" Xiao Yan, meeting his father-in-law for the first time, asked a mind-blowing question. I am Sun Buxiao, everyone calls me the genius historian.

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.)