The anime's story is set in a world made of "cuteness" called Sun Kingdom. Ganso Hoppe-chan, who lost her memory, appears in the kingdom. Meanwhile, in the real world, an office worker named Hoho is slowly losing her self-esteem in her work and life, sending her on the verge of becoming lost in life. Somewhere between Ganso Hoppe-chan and Hoho's worlds, their paths cross. Back in Sun Kingdom, toxic Hoppe-chan creatures are creating an "uncute place," and Ganso Hoppe-chan joins the "Guardians" to protect the kingdom.
Hoppe-chan: Sun Oukoku to Kuro Hoppe-dan no Himitsu has not yet aired. It will air on January 10, 2026. It is also Known as: ほっぺちゃん ～サン王国と黒ほっぺ団の秘密～, HOPPECHAN - Mystery of the Sun Kingdom and the Black-Cheek Team -
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