[Western Crossover] A Guardian's Second Career

Berna considered himself the unluckiest world guardian alive. After the last living creature died, he was laid off. Facing a world with nothing left in it, Berna sighed. Since his world had been destroyed, he might as well find a new world, and a new job. * A meteorite from an alien star crashed to the ground, carrying unknown insect eggs. The still depths of the ocean suddenly swelled with waves from ancient times. Faint calls from the abyss echoed beneath the sealed underground. The sudden anomalies filled people all over the world with dread. Superheroes from everywhere gathered to discuss what might be behind them. In the midst of it all, a young man with red eyes and white hair, dressed in a brown trench coat, appeared before them. Looking at the world infected by the anomalies, the young man let out a long breath. Good. This world hasn't been destroyed yet. I can become its guardian. [Please note before reading] 1. The protagonist is very powerful, the kind of ridiculously overpowered that comes from being a bug himself. I can't say too much, or it'll spoil things. [This refers specifically to his abilities, not other aspects.] 2. The pairing is set in stone. The protagonist is the top. The male lead keeps wavering between suave, handsome, and aloof, and cute. 3. Contains Lovecraftian elements, but it's not scary. Really, it's not scary. [Upcoming novel: All the Handsome and Powerful Big Shots Are My Secret Identities] Sui Ran transmigrated, and the world he'd ended up in was an Infinite Flow horror world. Sui Ran: ...I'm doomed... But he quickly discovered that the game character cards he'd been using had transmigrated with him. The gold-edged character cards from the game were now waiting quietly for him. So... A man in a black suit and a wide-brimmed hat walked into a school where a murder had just taken place and smiled. "I'm the world's greatest detective." [Novel Detective] A white-haired young man with heterochromatic eyes and a long saber walked into a bloody human gladiator arena and said disdainfully, "I don't know who's the prey, but I know I won't die." [Demon Calamity] A grinning clown carrying a black balloon stepped into a colorful amusement park and asked, against his will, "Who wants a balloon? One life each." [I'm No Clown] Countless legends were born in this new world. But no one knew that they had all been forged by one person. [, No one knows your name. No one recognizes your face.] [, Yet in this darkness, you are the world's only hope.] [Reading Guide] ● A secret identity story. The male lead has countless secret identities and never gets exposed. ● Plot-focused, feel-good, with a powerful protagonist from the start. ● Entirely fictional. Not meant to stand up to scrutiny. Theme: I love the world you love because I love you.