[Crossover] The White Blood Cell Is Unhappy Again Today

White Blood Cell No. 2333 is one of the ordinary members of the body's 37 trillion cells. He works diligently every day, guarding the front lines, killing bacteria, and protecting the cells. Then one day, the peaceful world inside the body is suddenly rocked by an earthquake. In an apocalyptic, earth-shattering disaster, someone gets a scrape. No. 2333 is accidentally swept out of the body. Just as he thinks his life is over, he suddenly discovers... There are so many bacteria in the outside world!!! Die, you filthy germs!! A white blood cell guy's chaotic daily life of germ extermination! Yoshida Yayoi, the dead last student at the police academy, is terrible at everything but a few subjects. After six months of chaotic training, he's finally about to graduate. His honest, blunt, and idiotic personality has convinced everyone that he could never become an undercover agent. Then he gets caught up in a brawl, and the beautiful older woman he rescues offers him an olive branch: "You've got a remarkable build. How about joining the Black Organization?" Yoshida Yayoi: ??? Japanese Public Security: A windfall just landed on an idiot's head! After learning ahead of time that his friend is going to die, Yoshida Yayoi decides to go undercover. His Public Security superior pats him on the shoulder and reassures him: "Look at it this way: you're such an idiot, the organization will never think you're a spy." Yoshida Yayoi: That wasn't reassuring at all. Thrown into undercover work, Yayoi keeps his mission in mind, works diligently, and smoothly rises through the organization's ranks. Then one day, his boss calls him into a back room: "Go undercover with the Port Mafia next door!" Yoshida Yayoi is dumbstruck. His boss sneers: "You're such an idiot, the Port Mafia will never think you're a spy." Yoshida Yayoi: Gin, you really are the worst! Yoshida Yayoi successfully goes undercover with the Port Mafia. He works diligently and tirelessly, rises through its ranks, and earns his superiors' trust. Then one day, the boss suddenly calls him into a little room. The smiling, two-faced boss beams: "Go undercover at the Tokyo Metropolitan Police Department, Yayoi!" The crooked boss beside him beams too: "Yayoi's such an idiot, nobody will ever figure out he's a spy!" Yoshida Yayoi: Dazai Osamu, when you sleep tonight, you'd better take turns keeping one eye open. At last, his undercover career comes to an end. Yoshida Yayoi reports to Public Security in his police uniform, only to run into several undercover superiors one after another. Yoshida Yayoi: At peace.jpg A few things to know before reading: 1. The male lead has a cheat. His first transmigrated world is Gintama, and he takes the surname of Teacher Shoyo. 2. The pairing isn't decided. There are lots of one-sided crushes, and the male lead is definitely on the good guys' side. 3. A hilarious, sweet story with no angst. 4. The villains aren't smarter than the protagonist, and the protagonist isn't smarter than the author. The author has no brains. Theme: Grow up healthy and cherish life