Toaru Majutsu no Index: New Testament - Volume 12, Epilogue: End of the Extremely Passionate Quickening — CRAZY_1st_cry.

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Some say that the financial war in City C was a bloody sacrifice prepared by Atlas Hallow's ex-wife for the child who died in her womb.The most ridiculous experience in Charlotte Miller's life was being forced to marry the man who should have been her sister's husband.After the marriage, she asked Atlas Hallow more than once, “Why me?”He pressed her under him, a deep and unfathomable smile in his eyes, “The Miller Family lost me a bride, shouldn't they compensate me with another one? Mrs. Hallow, I've never made such a bad deal in my life.”

Freak Xie Ao Yu originally had no way of cultivating battle qi but, by accident, he got a mysterious godly pellet and he received a supreme emperor blade. That changed his destiny and from then on, he felt the real meaning of life and he made original time and space related battle skills and decisively battled ancient, huge clans and hundreds of continental clans in the Qi Ao continent.

Clouds formed with a flip of a hand and rain formed with another flip. He left the strongest mark in tens of thousands of years of history and created glorious chapters about a tyrant’s anger, blood shed for thousands of miles, the skies hissing from mad blades, and the allegiance acknowledgement of all times.

- Description from Novelupdates

[Entering the Dungeon: Scarlet Premium Choice][Dungeon type: Solo][Please choose the position you wish to apply for][1. Delivery Driver][2. Stock Clerk][3. Shipping Clerk][4. Receiving Clerk][5. Loader][Detection of host entering the Dungeon, cheat loading successful][Please host, choose one of the following three cheats][1. Purification Template: Possess purification abilities, immune to any pollution][2. Super Brain: Photographic memory, brain processing capabilities multiplied by ten, immune to mental damage][3. Zombie Template: Impenetrable skin, immense strength, bloodthirsty, fearless]...[Entering the Dungeon: Bloody Train][Dungeon type: Large-scale multi-player Dungeon][Number of participants: 30][Detection of host entering the Dungeon, cheat loading successful][Please host, choose one of the following three cheats][1. Infinite Soul Coins: Start with 1000000000000 soul coins, spend at your leisure][2. Hundredfold Amplification: Can amplify a single attribute of yourself by a hundred times, can switch to any attribute at any time][3. Stone Man: You become an ordinary, unremarkable stone with no presence, you can safely pass this instance]Murru Feng realized that his cheats could be refreshed with every Dungeon World.