Travel through a world invaded by disasters and awaken the sign-in system of all worlds.

He thought that signing in in this world and obtaining the power of a Ruler of Reason, which was enough for him to protect himself, would be great enough.

Unexpectedly, he was selected by the dimensional chat group and got the opportunity to sign in to other worlds!

[Ding! Congratulations to the host for signing in to the Genshin World and gaining the allegiance of the Heavenly Principle and the Four Shadows of Heaven.]

[Ding! Congratulations to the host for signing in to Demon Slayer World and obtaining the perfect version of the immortal body, which cannot be erased by non-rule levels.]

[Ding! Congratulations to the host...]

Sign in to all realms, strengthen yourself, establish destiny and reverse entropy in the gradually collapsing world.

I originally wanted to head towards the end of the trees and the sea, but I found that I met countless beauties in the process.

Kasumi no Shi: "Tsk, what an unlovable leader!"

"You left a deep impression by being a hero saving a beautiful girl, but now you want to just walk away after you've been seduced?"

Eriri: "Damn it! I was here first, and the twin tails were supposed to increase attack speed! Why don't you come up and attack!"

Esdeath: "This man is stronger than me. I can't match him in terms of strength, but I must conquer him in other aspects!"

Lei Movie: "He saved his sister, if he wanted to..."

………

After traveling through time and space and becoming a Fader, he broke through the borderland and brought the petite Lani with him to the world of anime again. Here, the King of Elden began his new life.

By chance, Toru Narumi gets a love simulation system. As long as he works hard to play various roles in the simulation and defeat NPCs, he can get rewards and change his life as an unknown person. But the premise of the game is that he will definitely meet his death at the end. He elopes with the seriously ill Yukinoshita Yukino, escapes from the hospital, drives along the road to the sea, and finally gives his pancreas to Yukino, leaving her to live alone. He and his younger sister Eriri stage a body-swap love comedy, are forgotten by everyone at the midsummer fireworks festival, and embrace in a deserted town. The rain of meteorites confronts the band. A socially anxious bully dies suddenly in Yamada Ryo's arms on the eve of the band's rise to fame. It's only then that people realize he was solely motivated by his desire to help Goto Ichiri, who drifts apart from his childhood sweetheart, Sakurajima Mai. After she's cursed with reverse growth, he takes it upon himself, their lives intersecting in opposite directions. But after escaping the game's death ending, he feels something's amiss. Lover, brother, childhood sweetheart, what happened to the supposed setting in a simulation? Why did you all take it so seriously?

(Many titles, including Kaguya-sama: Love Is War, Oregairu, and others, are too numerous to be summarized here; please refer to the main text.)

Junxun is transported to another world with nothing.

However, after being bound to the Helpful System, he began a new life of rescuing dogs.

He initially thought it was just an ordinary, everyday world, helping people and doing good deeds. But it turns out it's not that simple. What's the meaning of this reward—the ability to see ghosts? And what is this multi-headed monster? Also, can't you girls at least give some reasonable reasons for asking for help?

Junxun said: "Don't keep bothering me. I'm just kind-hearted. Does helping others mean doing something in a certain way?"

After traveling to the world of the romance anime "Horimiya", he became the only male character in the show who didn't have a girlfriend - Iura Hide. Now Iura Hide felt unbalanced. Everyone is in a romance comedy, why is he the only one who is single? So Iura Hide set a small goal for himself. While working hard to achieve financial freedom, he must first find a girlfriend before graduating from high school and enjoy a sweet campus romance. However, as he got to know this world more and more, he suddenly realized that this world didn't seem to be a simple world of "Horimiya". One anime character after another appeared, and Iura Hide's eyes lit up. "It's decided! You are my girlfriend!"

Having just finished the main storyline of Honkai Impact 3rd and possessing the strongest power of Kamen Rider Build, Ye Feng returned to the real world through the system. Unexpectedly, the system eloped with the Herrscher of the End and transferred all the Valkyries with perfect affection points to the real world. Thus began his daily life of taking care of the Valkyries at home while going to school.

[Note: The System and the End have eloped.]

The protagonist only uses the build system, but that doesn't stop the author from creating hilarious content.

[The main storyline is mostly slice-of-life, and it's definitely a Kamen Rider story, definitely a Kamen Rider story—I'm saying it three times because it's important. Sometimes there will be time travel elements, sometimes it's Kamen Rider, sometimes it's a parallel world, sometimes it's the real world, and sometimes there will be cameos, but mostly it's slice-of-life stuff in the real world. If you don't like that, you can scroll away. Take it or leave it. Goodbye.]

Kiana discovered that everyone in Saint Freya seemed to be acting strangely recently.

Mei secretly pulled her to the rooftop.

Mei: "Kiana, after going through so much, I have always been holding everyone back. I don't want to be unable to do anything during the next crisis and still be so cowardly and powerless. I want to make myself stronger!"

Kiana: "Mei..."

Mei: "So Kiana... can you lend me the Qi room?"

Kiana: ???

Bronya secretly pulled her into the room.

Bronya: "Kiana, Seele is still waiting for Bronya in the Quantum Sea. I once swore that no matter what happens, I must rescue Seele. Please, Kiana, Bronya wants to become stronger. Bronya has something she must accomplish!"

Bronya: "So Kiana... can you lend me the Qi room?"

Kiana: “???”

Bianca dragged her to the training ground openly.

Bianca: "Are you the new Valkyrie, Kiana? I'm Bianca Yulandel Atajina. Would you like to spar with me?"

There's no need to win or lose, I just want to know why he values ​​and favors you so much and treats you so specially.

Kiana: “???????”

What on earth do you want to do!!!

(The plot includes Honkai Impact 3, Zero Zone, Honkai Impact 3rd, Honkai Impact 3rd, and Honkai Impact 3rd, which will also be written later. The plot of Genshin Impact will depend on the situation.)

Having gained memories of another world, Yoshiteru Zaimokuza learns fragments of events from anime storylines. Using his precognitive abilities, he obtains the Tablets of Prometheus and successfully slays two rebellious gods, thus becoming the world's seventh Godslayer. (This crossover includes: We Never Learn, Oregairu, Love Live!, My Little Sister Can't Be This Cute, To Love-Ru, etc.)

"You have the talent to become a chef, but you're too old and have no chance of becoming a head chef." Tang Daoan, rejected by multiple restaurants, was filled with resentment when the God of Luck gently awakened his dormant mind and transported him to the world of Food Wars! He strives to become the world's number one Western restaurant chef, searching for his own recipe for life!

Every time I wake up, it seems I find myself in a new place, or even as a completely different person—a technologically advanced academy city…

The Mechanical Age of Human Extinction... Gensokyo, Favored by the Gods... The Everlasting Light of the Ultra Star... Another World of Demon Kings and Heroes...