Linde travels through the world of anime. Curafia is his adopted sister, Rias is his childhood sweetheart, and even after awakening his system, he can recruit his own demonic followers. From then on... the demonic contracts begin to spread across the universe. ... Curafia: Linde, I'm no longer content with just being a adopted sister. Rias: Linde is my only fiancé. Miyano Shiho: Master, can you replenish my demonic power? Esdeath: Master, please make me stronger. Nakiri Erina: My divine tongue is the best. ... Unknowingly, Linde has transformed the universe into his own pasture.

Bai Ge, who accidentally traveled to the world of Honkai III, is determined to save all tragedies.

The last lesson will not come.

All members of the Fire Chaser survived.

Honkai will be trampled under the feet of humans.

Turn this imperfect world into what you want.

However...

Kiana: "With Bai Ge here, it's equivalent to the power of 10,000 people!"

Bronya: "Today, I'm going to the beach with Bronya and Seele, Bai Ge's father."

Raiden Mei: "It's obviously me who came first! I'm Bai Ge's first girlfriend!"

Alicia: "With me as the end and you as the beginning, Mei is the first, but Miss Pink Fairy is Bai Ge's final destination!"

Bai Ge: "... Compared to crossing the Shura Field, I think it's easier to cross the end."

This novel and the task are purely fictional. If there are similarities, it is purely coincidental. Do not imitate.

In a world inspired by comic books, an enigmatic traveler ventures through unexpected landscapes, encountering the intriguing Yotsuya Miko, who senses the impending end of the world. Meanwhile, Yukino's attempt to have her father call the police takes an embarrassing turn when she accidentally wets her panties. This incident leads to an invitation to join a mysterious "Doomsday Chat Group," signaling the beginning of the end.

As the story unfolds, Hayasaka Ai confronts a formidable demon, while Yinglili faces a terrifying evil spirit. Yukinoshita Yukino becomes entangled in a perilous doomsday game, adding depth to the group's challenges. The group welcomes a new member, March 7, a determined girl resolved to save the world from its impending doom.

Each member of the Doomsday Chat Group brings unique abilities and complexities to the table. Able Angel invokes divine power with cries of "Ah Pulu Sect! God willing! Barrage! Overload mode!" Silver Wolf seeks refuge in gaming, questioning any hidden motives. Nami pleads for help, desperate to survive, while Makima grapples with her identity and the enigmatic Wei Ming, who questions the group's solidarity. Tushan Yaya's fiery outburst adds tension, revealing underlying conflicts.

This Doomsday Chat Group is not just a random assembly; it's a bond that will alter their destinies. Filled with action, drama, and mystery, their journey is a thrilling adventure of unexpected twists and intense confrontations. Will they succeed in saving the world, or will the apocalypse mark the end of everything?

Flashing graves. Just after crossing over to a new world, it was destroyed, leaving Su Ye as its last human. Luckily, a chat group arrived, and upon signing in for the first time, he was given a 'Cocoon of the End', forever binding himself to this world. The stronger the civilization, the greater its power. But... there are no humans left in this world. So, my friends in the group, are you planning to immigrate? Free houses, land, and superpowers! You don't want the cursed child? Take it!

As a master who traveled through time, Ian was not so familiar with Chaldea.

But it didn't matter, he had a special ability that other masters didn't have - that was the simulator.

This allowed him to leave his own footprints in history.

- Although it was not normal.

[You became the husband of the demon concubine, but at the same time you cheated on the Holy Knight King disguised as a man, and Britain was in a mess because of you. ]

[You controlled Tamamonomae, and as a master, you let Minamoto no Raikou witness what physical demon exorcism was. The ghosts of the Heian era avoided you. ]

[You made Medusa lose her mind, and the whole of Greece echoed her statement that she would take off her blindfold when she met you again. ]

[You are Jeanne's soul mate, and only you know how to make this saint who is usually very restrained achieve liberation and relaxation in various senses. ]

Ian had to say that this simulator that understands people's hearts is really suitable for him.

Solve all problems in his favorite way.

Everything is fine.

Until one day, when they came to him as servants.

Ian realized that he had caused a lot of romantic debts.

Quit the band and become a star god?!

Baili, who had traveled to the world of Zongman, decided to create a few Destiny Envoys with the help of the system.

However, the 'Starry Sky Train' that the system had snatched away kept receiving 'signals' from another world.

then--

Chaos Expansion: Clear the maze in the world of "Di Mistake"!

Chaos Destruction: Rias from "High School" becomes a Commander!

Chaos Harmony: Form a band for life, and then crush and destroy creation!

When the fate of chaos flows through planes such as "Hokei", "God Slayer", "Black Bullet", and "Azur Lane", everyone feels the glance of God!

Baili has only one explanation for his fate: what's yours is mine, and what's mine is still mine!

A full-family work.

Yanagi Nagao traveled to the world of sozoku (mainly the otherworld), obtained the blessing of the loan system, and became the head of the Takayanagi family.

Akizuki Airi: Why is it that the one who paid off the debt of Xier is not me, but my mother? I can do it too!

Takayanagi Kaoru: Should I call you big brother or dad?

Adachi Rika: Uncle, I also belong to you as an idol.

Oki Rinka: If you kill her, I can offer my mother

Katsura Kotonoha, Saionji Sekai, Amemiya Misako, etc. to conquer by myself!

[Option 1: Become King] [Option 2: Become the Protagonist of a Light Novel] [Option 3: Become the Blue-Eyes White Dragon] Looking at these three options, a true time traveler wouldn't hesitate at all. Is there even a need to choose? The chance to be human is there in every lifetime... but the chance to become a Blue-Eyes White Dragon might only come once in a lifetime! ...That day, Artoria, following the villagers up the mountain to quarry stone, could never have imagined that the white stone she brought down from the mountain would actually contain a blue-and-white baby dragon. "Awoo—" "Great, so cute." "Can I keep it?" ...PS: Author's sensitive mind warning.

Transmigrating into the world of the "Hakoniwa" (Little Garden) in the world of crossover anime, Izayoi Sakamaki, while waiting for her invitation to the Little Garden, was invited to the Multiverse Chat Group and became its strongest member. Esdeath: "Izayoi, I will definitely not let you leave me too far behind!" Rikka Takanashi: "My contractor, following the ancient oath..." Nagatsuki: "You are hundreds of times stronger than the True Ancestor!!!" Touhou Project: "Um... Boss, do you have any extra Third Star Particles? Can I borrow some?" Gilgamesh: "I, the King, declare you the strongest!" Brunhilde: "Lord Izayoi, please save humanity!" Izayoi Sakamaki: "Thanks for the invitation, just arrived in the Little Garden, challenging the Celestial Theory." With her absolute power, Izayoi Sakamaki also became the chat group's sole administrator...

"We have discovered one of the oldest families." "Yes." "This family has been around since the beginning of the world. Its members from ancient times to the present include Anastasia, the last princess of the Tsarist Empire, Joan of Arc, the protector of France, the two talented women of the Heian period, Murasaki Shikibu and Sei Shonagon, and the British witch Morgan le Fay..." "Yes--!?" "In addition, we have discovered something." "This family has a humanoid treasure that has been passed down to this day-each generation will enter into a marriage relationship with these 'members'." "???"... People in Type-Moon get the family simulation period and can trace back to the past to add bricks and tiles to their own 'bloodline'. But in the end. I found out...I have become the ancestor of this family?