Gudao, I’m a Noob, Help Me Out

【Blurb】 So you’re telling me I’ve only just retired, I haven’t even had time to settle in, and now a Holy Grail has ended up in another world, so I have to get back to work and do my old job again? Open the door, save Human Order.jpg ...Wait, the prize is a doctor? What are we waiting for? Let’s go! 【Singularity One • Bungo Stray Dogs • City of Eternal Peace】 In a harbor city cloaked by a barrier and brimming with artificial happiness, you meet many companions who share names with famous writers. Meanwhile, the summoned Heroic Spirits are 【Singularity Two • Demon Slayer • The Perfect Demon】 Demons run rampant, and for some reason, even their one weakness is gradually being overcome. When you attack the Infinity Castle, the Demon King actually proposes an alliance? Well, well! So you’re the one behind it all! 【Singularity Three • Jujutsu Kaisen • Summer of Endless Loops】 You arrive in a new world, open your eyes, and immediately get attacked by a bizarre, unidentified creature? A team-building outing for the Avengers! 【Singularity Four • Natsume’s Book of Friends • The One Returned from the Underworld】 Reiko, Reiko, I hope you find happiness. P.S. All Gudako, but Roman is the endgame pairing. Set after Part Two, with a happy ending in my own version. The A-Team didn’t actually die in the Lostbelts【important】. I don’t know how it happened either, but since this is an FGO fic, cut me some slack! Check out my bestie’s completed fic about meat-loving Okkotsu: “What Do I Do About the Brooding Guy I’ve Always Hated Getting Stronger?” Theme: Love life, love the world