While Laura goes off to summer camp, Hamtaro and Oxnard encounter a young girl named Haibi, who is on a quest to locate the ocean. She stumbled upon a treasure map while rummaging through the storage burrow and now seeks to unearth the treasure in order to aid her weary grandmother. The Ham-Hams, eager to lend their assistance, gather their belongings and embark on a journey to discover the treasure.
Haruna Hiroko, Hamtaros owner, with her father and mother. Haruna Hiroko is in the 5th grade, and she really likes her classmate Kimura Taiti....
Kana owns Hamtaro, one of Hamtaros closest friends in the anime series. He has a big appetite and also harbors feelings for Pepper. Oxnard is easily frightened but enjoys eating sunflower seeds. His t...
Laura Haruna's pet is a hamster named Hamtarou. Although he may be unsure about certain matters, such as Bijou's feelings for him, Hamtarou displays great bravery and is eager to assist his companions...
Jingle Is a wandering poet who travels with Herbert the Pig. He helps the Ham-hams when they need it, but tends to confuse them more with rhythms....
Iwata Kana, the owner of Koushi, with her parents. Iwata Kana was Haruna Hirokos first friend in town, and lives right next door to Haruna Hiroko and her family....