The Nyanbo are unique creatures with square-shaped bodies, ears, and tails. They originate from outer space, but have found a comfortable home in unexplored territories on Earth. Tora, one of the Nyanbo, aspires to repair their damaged UFO and explore the vast unknowns of space. His sister Kotora, along with the astute Shiro, the playful Mike, and the enigmatic Kuro, join him on this journey. Alongside several other feline-like cohorts, they lead a delightful existence filled with joy and occasional acts of mischief.