Grumpo is a small YouTuber with big dreams. After a chance introduction from a mutual YouTuber, PewDiePie invites her to Tokyo for a collaboration. Will PewDiePie launch Grumpo into YouTube stardom or will she get distracted by ghosts with big bobs, tentacles, Harry Styles, Mark Zuckerberg's TRON-like Metaverse, dog zombies, foot lettuce, and the nefarious Hogwarts School of Prayer and Miracles?