A teenager gets kidnapped by cosmic horrors one random night, then rescued by a cheerful silver-haired girl who reveals she's an ancient Lovecraftian deity wearing human skin like a costume. The show burns through absurdist comedy at light speed, treating existential dread as setup for punchlines. Nyarlko herself is the joke and the heart, a shapeshifting god with the personality of an obsessive fangirl, treating the apocalypse like a dating sim where Mahiro is the only valid route. It's gag anime that somehow makes you care about a romance between a human and something that shouldn't have emotions at all.
Mahiro Yasaka is having a perfectly ordinary night when alien invaders decide otherwise. Running for his life through the darkness, he's saved by Nyarlko, a shapeshifting cosmic entity who wears the form of a cheerful silver-haired girl but is actually something far weirder and older. Turns out the universe is packed with aliens, gods, and things that shouldn't exist, and they've all got their eyes on Mahiro for reasons he's still trying to understand. What follows is controlled chaos. Nyarlko moves into his house, other otherworldly beings start showing up uninvited, and Mahiro's normal life becomes increasingly absurd. The show plays everything for laughs, mixing sci-fi concepts with romantic comedy timing and fourth-wall humor. Nyarlko herself is relentlessly enthusiastic about her new human and his safety, which creates most of the comedy. Between the rapid-fire gags, pop culture references, and constant shapeshifting shenanigans, this is comedy that doesn't take itself seriously for even a second. If you want something weird, fast-paced, and willing to be completely ridiculous, this delivers.