Hoshi no Kirby: Ultra Super Pupupu Hero

Synopsis

In the ridiculously peaceful land of Pupupu Land, Dark Meta Knight, who looks just like Meta Knight but is super sinister, appears! Dark Meta Knight's sword, which has been doing evil again and again, has turned Kirby into four! The four food-crazed Kirbys have caused a food crisis in Pupupu Land, and it has become super-sinister?! (Source: Kadokawa, translated)