Collapse. A catastrophe whose beginnings were unknown, whose end is unknown. It has imposed the harshest test on civilization and brought humanity the most heartbreaking despair. The humans of previous civilizations struggled, and thirteen fire-chasing heroes risked everything, swearing to fight the Collapse to the bitter end. Though the outcome was death and defeat, they bravely faced death without hesitation. Bang… the sound of a head hitting the ground was heard, and a girl with cat ears fell to the ground, clutching her head in pain. "Ah! It hurts, it hurts! There's definitely a bump on my head. It's a work injury. I'll definitely go get something for medical expenses later." Padofelice stood up, rubbed her head, and suddenly felt something was wrong. All around her was a blank white space, empty. The strange sight made her heart tremble. Damn it!

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.

When I woke up outside Mondstadt and saw Amber, dressed in a dashing policewoman uniform and riding that cool, three-core, phase-shifting heavy-duty police hoverbike... I knew this place definitely wasn't Teyvat. But what I hadn't anticipated was—[This uncle of Eula's has obtained certain drugs through special channels and is planning to drug his niece under the guise of an apology treat, then follow standard villain procedures. Let's bring him to justice before he commits such a heinous act!] [This is Ganyu, the half-immortal beast, the thousand-year-old secretary of Yuehaiting, Liyue's highest authority. Believing Liyue is safe everywhere, she might nap anywhere and be shipped off on a freighter and sold. We need to act quickly!] [This is General Raiden, a clueless country girl. Her first time out at a bathhouse, she's deceived by the excuse of 'what's trending'! As a partner of justice, how can I sit back and watch this happen?] I have no problem being a partner of justice, but can these outrageous things really happen? Is there something wrong with this world?

(This book is also known as Honkai Impact 3rd. I'm not a succubus who wants to go home.) (I want to go home, please don't give me so many ties!) (Female characters, possibly gender-reversed) Youyun, who accidentally traveled through the civilization before Honkai Impact 3rd, can only cling to others desperately to survive. Mei: "Is this the reason for your unclear relationship with others?"

Ling Shu traveled through time and space, bringing the 'Genshin System' with him to the labyrinthine city of Orario. "Can I summon weapons and characters I draw in real life?" That's great. But... "Why do I have to choose a villain family to join at the start?" That's a real problem. PS: This is a fanfiction.

Tatsumi has been reincarnated as "Chikusou" and has become the Dungeon Lord of Orario! His own dungeon connects to all realms! Highschool of the Dead, Shokugeki no Soma, Gourmet Prisoner, That Time I Got Reincarnated as a Slime, Undead King, Reincarnation: Jobless, One Punch Man, Little Garden... and every battle in the dungeon converts into experience points for Tatsumi! So... Ace Wallenstein: My two minutes of deep training... and Tatsumi-sama raised his level by fifty?! Busujima Saeko: My sword is Tatsumi-sama's sword, and my body is its scabbard! Nakiri Erina: No, why are the ingredients fighting here? Storm Dragon Veldora: Dungeon? What the hell are you doing here!? Black Dragon: Master?! Save me! Albedo: Please let me fight for Tatsumi-sama! Roxy: One magic spell raised Tatsumi's level by a hundred! What the hell is a 100x entry?! Start by entering the dungeon, conquer the heavens and the worlds, and build the supreme kingdom of God!

First, I want to write about a technological craze, but I'm not a sci-fi expert, so I'm a toxic person. Second, humanity has been suffering from collapse for a long time and needs a united and powerful fight. We need a strong leader to command the whole situation - this is the protagonist.

"Who are you? What's your purpose in approaching us?"... "Why do you seem to know everything? Did you plan all this?"... "It's all you! If it weren't for you, this wouldn't have happened!"... "Impossible, impossible! You just wanted to save us?! You must have some other scheme!"... "Are we really wrong... Captain, I'm sorry..."... "No! I don't want you to die! Please, don't leave us..."... "I'm alive again? No, we're all alive again..."... "Captain, this time, I..."... "You said you knew me?" The captain, sipping his noodles, looked at the group of Valkyries who had suddenly found him, feeling a little confused. Didn't he...didn't she just travel through time? She was still wondering how she was going to gain the Valkyries' trust now that she had suddenly become a girl, but why did they act like they knew her so well?

Bring Kiana a national challenge. This is a challenge for our nation, a chance to advance ourselves and our compatriots. Challenger, step forward. This time, I will risk my life for victory. Kiana: I make a promise to her, to them, that no matter the cost, we will defeat them. ...

Chiya Otonashi travels to the demon-ridden world of Chainsaw Man and acquires the Mangekyō Sharingan's Kamui, and even double Kamui! [After writing Chainsaw Man, I'll probably write about a variety show. The anime I'll be traveling through are tentatively: Attack on Titan, Black Bullet, Akame ga Slash, Tokyo Ghoul... (in no particular order)]