Kuromi discovers her long lost sister Romina is in the human world. With best friend Baku, she globetrots, meeting new friends and tasting exotic cuisine while searching for Romina.

Well-known Sanrio character Kuromi finds out that her long lost sister Romina is somewhere in the human world. She sets out on a globetrotting epic with her best friend Baku seeing different parts of the world to find her sister but not before meeting new friends and eating exotic food first.