Toaru Majutsu no Index: Genesis Testament - Volume 5, Prologue: Visitor from Picture Book Land – Girl_Name_is_“ALICE”.

Hunter Cha Eui-jae, who was dispatched to seal a rift that appeared over the West Sea, was flung out as soon as he closed the rift. When he came to his senses, he was lying in a garbage dump.Starving, he was drawn like a zombie is to blood to a hangover soup restaurant, where he realized that he had fallen into South Korea, eight years in the future.In this era, disaster alerts notify people of rift openings in advance, ASMR videos of slimes gathered from dungeons were trending, and idle hunters livestream unboxings of A-rank longswords.Unlike the past, where people trembled in fear of an impending apocalypse, the future was surprisingly peaceful, leaving Cha Eui-jae feeling empty. Since things had turned out this way, why not start a second chapter of life as a part-timer at the hangover soup restaurant, rather than being a hunter?“That’s strange.”“…”“Have we met somewhere before?”Cha Eui-jae’s plan to quietly spend his remaining days as the only part-time worker at the decades-old hangover soup restaurant goes awry when he encounters a mysterious, gas-masked individual…

On the night of Xiao Ke’s thirtieth birthday, he shared a table while drinking. The person he shared the table with was a cool man who fit all of his aesthetic desires. It was practically love at first sight.

He was thirty; he had reached that age where he was no longer the awkward twenty-something youth. He would pursue the one he liked without hesitation, no questions asked.

“I want you to give me a tattoo. I want to spend the rest of my life with you.”

- Description from Novelupdates

Lu Zhiguang is not a cannon fodder himself, but his mission is to save the miserable cannon fodder.