Traveling through the dxd world, Lin Xiu awakened the Evil Protagonist System, earning rewards by performing acts consistent with an Evil Protagonist. Starting with the Sekiryuutei, Lin Xiu embarked on the path of the Evil Protagonist. Amano Yuuma: Who kisses me right after confessing their love? And I can't resist! Rias: Lin Xiu is the most ferocious person I've ever met. He actually dared to commit a fait accompli with me right in front of Gurefia. ...Traveling through the heavens and myriad realms, Lin Xiu continuously gathered followers, gradually building his own dimensional empire. Miyamoto Rei: He blew Igoe's head off without a word. I peed myself right there. Akame: What do you mean you have a way to keep Esdeath out of the battlefield for 10 months? Erica: I've never seen anyone so shameless. The witch from Sardinia crawled onto the bed with a pole. Nangong Nayue: Damn! How did you snatch all the Blood Companions destined for the Fourth True Ancestor, Akatsuki Nagisa? ...dxd, Apocalypse, Akasaka Slash, Godslayer, Bloodthirster, No Job, Shadow of War, Date, Dicuo, etc. Each copy world will not be too long.

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.

Lin Bai travels through the world of Souman, awakening the Atlas of All Things. Discover and illuminate Atlases to receive rewards. Light up your own Atlas at the start of the game, and gain the power of the Seven Royal Powers. Light up [Iwanaga Kotoko] to gain: Divine Protection of the God of War. Light up [Akayo Moeka] to gain: Type-Moon's Third Law. Light up [Lukoa] to gain: Authority of the Eastern Dragon God. Interacting with illuminated Atlas objects like Kuriyama Mirai, Gabriel, Lara Deviluke... earns Atlas Points. Reaching the required points will randomly awaken a conceptual ability. Infinity, Incineration, Freeze, Divide, Spacetime, Cause and Effect, Origin, End... Possessing limitless power, Lin Bai ascends step by step to the supreme throne. ...

Upon waking, Wang Lin found himself lying on the basement floor. Just as he was figuring out his situation, he was suddenly bound to a system, and shortly after, he received an invitation to a dimensional chat group. Takanashi Hoshino: Hee hee~! Welcome, newbie! "Second Miss, I'm a little tired." "Huh? Satoshi wants me to be her basketball coach?" "Why is there Nagisa Furukawa outside Gensokyo?" Transmigrator #2: Wait, Yan Yan Yan, why am I the only guy in the group?

(Comprehensive anime + multiple heroines + plagiarism, Oregairu, The Heroine of Nowhere, Kaguya-sama: Love is War, Lonely Rock, I Can See, Kashi-sama, Can’t Study Together, The Quintessential Quintuplets...)

What should I do if I travel through time and space and become a fat otaku?

Masao Tanaka was extremely desperate. He had traveled through time. It would have been fine if his name and family were strangers, and it would have been fine if he hadn't been given a handsome face.

But why did he become a typical fat otaku like someone from an anime?

Fortunately, there is a system, but why is this system called the [Degenerate System]?

······

Yukinoshita Yukino: "It's really uncomfortable to be with Tanaka Jun."

Ying Lili: "You are a guy whose head is full of pornographic garbage. Come up with a new plot for me!"

Kasumigaoka Utaha: "I never thought that the person who wrote such a sweet novel would be you, Fat Otaku."

Yotsuya Miko: "Tanaka, help me, just destroy the evil spirits and let me..."

Fujiwara Chika: "Tanaka is really cute."

Goto Ichiri: "Tanaka, best friend."

······

This book is also known as "Is it wrong to be carried away by Pokémon?" and "Why does Pokémon's affinity max affect beautiful girls?"

Bai Hao traveled to the Zongman elf world and obtained the god-level elf training system.

[Successfully capture the Frog and receive the [Encyclopedia of Water-style Ninjutsu] as a reward.]

[Successfully subdue young Kiras and receive the [Sand Fruit] as a reward.]

[Successfully capture Mewtwo and receive [Ultra Instinct] as a reward.]

I thought the road to becoming the leader would be smooth sailing, but who knew...

Yukino: Hiro-kun, Pogaman misses you.

Yui: Haojun, let’s team up and go to the secret realm of elves!

Eru: Hiro-kun, what is this hard thing?

Xiaolan: Haojun, Shinichi is still outside...

…

The mythical beast goes mad! The dimension collapses!

The elf world is about to be destroyed!

Bai Hao joins the doomsday chat group!

Liuyunjiefeng: How dare you! Which woman!

Butterfly Kanae: Haojun, I miss you so much.

Marikawa Shizuka: Ah~ Hao-jun really likes to act like a spoiled child~

Yan Lingji: My Lord, do you want to experience the passion and tenderness?

Jiang Ming had traveled through time, to the world of the Godkillers, and even became Veleslana, the undefeated military god of ancient Persia from the original story. He was also invited by the "Dimensional Plane Platform" to join the vast and endless multiverse. "'Dimensional Forum'?" Jiang Ming gazed at the system framework before him, which resembled the forums of his past life, and fell silent. He glanced at the various posts on this so-called Dimensional Forum: [Type-Moon Pot King is new here, and welcomes everyone to visit my world. If you have any interesting relics, please list them in the Marketplace.] Comments: 20,000+, Likes: 80,000+ [Brothers, help! I've traveled through time to a demonic world, transformed into a 'beast,' and am now being hunted by the Demon Exorcist Division!] Comments: 10,000+, Likes: 60,000+ [Thanks for the invitation, I'm in a mysterious situation, and I've just become Amon...]

As a PhD in economics, the otaku traveled to a completely unfamiliar anime world and became a nobleman who had run away from home for a long time. He activated the system and awakened the martial arts body. In the midst of fear, Liu Yuntian's life became colorful.

(The anime that are currently confirmed are "Kaguya-sama: Love is War", "We Can't Study Together", "Gabriel's Fall", "The Quintessential Quintuplets", "Food Wars! Shokugeki no Soma", and "High School DxD". Other anime will be added later!

)...

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.]

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!