(Azure Archives + City + Campus + Azure Archives) That "miracle" is named Chu Yin. In the game Azure Archives, he holds the position of teacher in Givotos. He is a college student. However, one night, a beam of light shines into Chu Yin's dormitory...

Su Ming travels back to the year 19. Aware of the future disaster, he begins hoarding supplies and speculating in stocks. Just as he's preparing to rescue the city from peril, a piece of news catches his attention. What's the Neon Shinjuku Showdown? Six-Eyed's strongest sorcerer battles a thousand-year-old demon? What about the Heavenly Dancer Hero's death, and the possessed Dancer Ghost's declaration as the new Heavenly Dancer? ... Then there's India's robot Seventh Brother, Russia's digitized hacker Killnet, and America's Avengers and X-Men. Meanwhile, Seoul, where Su Ming lives, is shrouded in the shadow of the Black Mountain Demon. No, where are the Chinese superheroes? Sun Wukong, come to the rescue? If that doesn't work, Tang Sanzang will do. Maybe the Black Mountain Demon will eat Tang Sanzang and leave us alone? Why are there so many monsters like the Zombie Evil Sword Immortal? ...

"Hey? System! What do you mean Nohara Shinnosuke is a Pillar? What do you mean Uchiha Sasuke is a Pillar? What do you mean the Pillar Men and Hashirama are Pillars? Tailed Beast Jinchuriki? Josuke Higashikata can do that too?!" Lu Li unexpectedly transmigrated into "Demon Slayer" and awakened the Demon Slayer "Pillar" Summoning System! Every three days, Lu Li can randomly draw a "Pillar" and gain all of their abilities. Just as he was excitedly preparing to open the system and use the Pillars' abilities to fight Muzan, Lu Li discovered that the "Pillar" drawn by the system seemed a little different from what he expected. "Hey! System! I can tolerate the previous ones! But system, what the hell is this Optimus Pillar you summoned? Kibutsuji Muzan, huh?! Kokushibo, huh?! Tell my luck!" ...Tentative protagonist's alternate worlds: "Demon Slayer," "Fate/Zero," ...