Tottoko Hamtarou OVA 3: Hamuchanzu to Niji no Kuni no Oujisama - Sekai de Ichiban no Takaramono

In this OVA, adapted from a Hamtaro game, the story begins with the sudden disappearance of the rainbow, causing Prince Bo to fall from the sky. Hamtaro and the Ham-Hams, a group of adorable hamster friends, are tasked with a noble quest. Their mission is to help Prince Bo and restore the missing rainbow. The OVA likely focuses on themes of friendship, teamwork, and overcoming challenges. The Ham-Hams will need to use their unique abilities and work together to navigate the challenges and bring the rainbow back to its rightful place. The setting is likely a vibrant and colorful world, reflecting the whimsical nature of the Hamtaro universe.