Two minutes of a mascot character in a tokusatsu parody outfit, played completely straight. The soundtrack commits harder than the animation ever could. It's an April Fools' joke that respects its own bit enough to give it a real theme song, which is funnier than anything the visuals attempt.
Super Sonico wakes up to discover she's somehow acquired the power to transform into Ultrasonico, a giant tokusatsu-style defender of justice. What starts as confusion quickly spirals into absurdity as she grapples with her newfound massive form, ridiculous costume, and an inexplicable obligation to protect the world from equally ridiculous threats. The catch: nobody asked for this, and she's not particularly interested in the superhero gig. This brief special leans hard into parody, mocking the dramatic transformation sequences and earnest heroics of classic tokusatsu shows by applying them to a character who just wants to live her life. The humor comes from the complete disconnect between the grandiose superhero fantasy and Sonico's bewildered reaction to the whole thing. It's silly, self-aware, and doesn't take itself seriously for a single moment. Perfect for anyone who appreciates absurdist comedy and affectionate jabs at tokusatsu tropes. You don't need to know Super Sonico to get the jokes, just a willingness to embrace the chaos.