I've traveled through time and space and become Yuuki Mamoru, diligently training to face a world-ending crisis. And you tell me this is a manga? This is an abstract, entertaining book that will make you forget your worries and smile. Note: The protagonist has morals but no moral boundaries.

"A Certain Magical Index, A Certain Magical Index, who is the strongest person in the world?" "@＃￥%*！..." [Mahoutsukai no Yoru → The Fourth Cup War → Re:Zero → High School DxD → Gensokyo → Little Garden → Cinderella → Type-Moon → No Game No Life (Prequel) → A Certain Magical Index] [Xia Mo]

Illya: I lived with Saki for ten years! We slept together! We bathed together! What about you? Miyu: You did that? I lived with Subaru too! In those difficult days, we relied on each other. And I'm Subaru's older sister! Illya: Waaaaah~ So what if I'm your older sister? An adopted sister can get married! Can you do that? Miyu: We're not related by blood anymore, why can't we?! Chloe: Stop arguing! My first kiss wasn't with you, Illya, or you, Miyu, but with me, Chloe! Illya, Miyu: You're the enemy! All the girls: Wait! We haven't even said anything yet! Saki: This...this is scary. (Hides head and crouches down, trembling)

Su Chen obtained the 'Multiverse Mashup', which grants him a reward as long as he creates a derivative short video and shares it across the multiverse.

And so... [Sasuke's massacre of Sukuna] [Yoriichi Tsugikuni's marriage to Muzan] [Shirou Emiya's family's meal] [The life of the tyrant Kuma]

[Lu Mingfei and Erii's wedding] [Loki becomes the Lord of the Multiverse] [Madoka Kaname and Homura Akemi's unspeakable secret] etc.

Having been reborn into a different world in the Type-Moon universe, Yalin only wants a peaceful life after witnessing the collapse of the bubble economy. However, he accidentally discovers that he has simultaneously traveled through countless worlds.

Type-Moon world's Yarin: "Why is there a Holy Grail War everywhere? Aika, do you have any clue about this?"

Yarin from the Naruto world: "I've been transported to another world, akin to the Sengoku period of Japan. I will gather my forces and completely change this chaotic world. Wait, why is a shooting star falling from the sky? And there's a white-haired, white-eyed woman in front of me? Is her name Kaguya?"

In the Otherworld, Yalin: "Something's wrong with this world. Why are there abilities like hypnosis, sensitivity manipulation, and even time stop in the everyday world? They're all cheating, huh? Fine, I'm not acting anymore!"

.................

This is the story of a group of Yalin who relied on themselves.

Lu Ren transmigrates to a crossover anime world and awakens the God-Chosen System. By making choices, he can obtain amazing rewards! [You choose to live, gaining: The Contract of the Demon Sage!] [Rescuing Yotsuya Miko, gaining: Servant—Tamamo-no-Mae!] [Caring for a reclusive teacher, gaining: Dragon Maid—Tohru!] [Overpowering the Hero Association, gaining: Limiter—Unlocked!] [Hugging an evil god, gaining: An Unspeakable Contract!] [Colluding with angels, gaining: Talent—Divine Ability!] Just when Lu Ren wants to build a grand empire, he discovers that this world is not as simple as he imagined… [Worldview fusion: Touhou Project, One-Punch Man, Oregairu, etc.]

Russell is redundant data (Redun-0) from the Onpharos simulation program simulated by the scepter. He was born in the first year of the strife-era world, embarking on the path of a healer, a path that has lasted a millennium. Until the Black Tide engulfed Onpharos, plunging the world into ruin. He came to a crystal-clear blue giant tree and touched this magical tree. "Branch of the World, do you have pity on the branches and leaves of this world? Perhaps I can grasp hope..." Every time the Black Tide destroyed the world, he would touch the Branch of the World—that giant tree that condensed memories, sealing the joys and sorrows of his past life into its fruit, and then he would enter the cycle of reincarnation again to seek hope. When the 33.55 millionth fruit, curled up among the roots on the verge of collapse, its silver hair soaked with the blood and tears of billions of dead souls. "Is salvation... truly meaningful?" As despair gnawed at the remnants of souls, the Healer heard the plea and came treading through the starlight and frost. He embraced him. "Your thirty million acts of benevolence have pierced the illusion of eternal night." "This is not in vain. It is proof of the existence of reincarnation. You shall receive this crown." "Swallow it. It is the placenta for your new life." A crimson pomegranate seed was fed to Russell. At that moment, the Imperial Scepter malfunctioned wildly, and an Envoy of Abundance was hatching within his body…

He transmigrates to the other world and is adopted by Miss Mira. Surrounded by beauties like Natsumi Murasaki, Akane Nanao, Akane Aoi, and Shiranui Mizushiro, Makoto Shingu declares: "Defeat the blond-haired brat, shatter evil, starting with me!"

After obtaining the remains of the main god space and traveling to the world of Zongman, the main god space has lost most of its functions and has become a love system. As long as you fall in love, you can get various rewards. Got it! This is a romantic comedy. Just when Mingxian was about to have a young love, he killed the gods. Where is the promised romantic comedy?! After being obsessed with playing the masked hero for a year, the number of people confirmed to be successfully conquered in the love system has exceeded one hundred. "That's not right, I'm obviously not in a relationship!"

Luo Zhen traveled to the civilization before Honkai Impact 3rd. Being supported by Mobius, he thought he would just live a life of idleness and wait for death, and die in the embrace of the cocoon of the end. Unexpectedly, he obtained a golden finger and got the red A spirit base at the beginning.

As long as you accept commissions from people in different worlds, you can get different rewards.

[Resurrection of the Dead], [Human Emperor Banner], [Avatar World], [Magnetic Field Rotation]...

Xilin: Please revive Cecilia, I will do anything.

Bengtie Laoyang: Are you saying that there's a world out there where Otto is still alive? It's time for him to see the stars shatter.

Mei Raiden: Quack, power, come out to me!

Sunday: You mean, you can help me create a perfect paradise?

Emiya Kiritsugu: Can I really save the world by becoming a magical girl?

Tallulah: Damn it, am I really not as feminine as Black Snake? Please guide me!