Larimar is a female arctic fox Jewelpet embodying love and peace. Her snow-white fur contrasts with cyan larimar jewel eyes and pink inner ears, accented by whitish-blue tufts on her ear tips, chest fluff, and tail tip. She wears a blue-and-white beaded necklace featuring a snowflake-shaped larimar pendant and a pink flower scrunchie at her tail's base.
In *Lady Jewelpet*, Larimar serves as a magician and mentor to Lady Rector in Jewel Land. Their partnership fractures when Rector demands unsafe levels of magic, leading to abandonment. This betrayal deeply wounds Larimar, causing her to retreat into her jewel form until later awakened. She briefly aids characters like Lillian by enabling her escape from a magical device called a Jewel Pod.
Later, in *Jewelpet Magical Change*, Larimar resides with her human partner, Airi Kirara, and other Jewelpets. Using a magical Jewel Watch, she transforms into a teenage human girl with blue hair, dressed in a light blue and white winter outfit complete with pompom earrings and a snowflake accessory. Her personality blends kindness with insecurity about her idol singing dream, occasionally revealing snarkiness when disapproving of others' actions. A distinctive quirk involves her detachable tail, which temporarily manifests as a spirit named Shippo-san.
Her development includes a romantic subplot with a human boy named Souya. Initially reluctant, she gradually develops feelings during a shared day. However, both acknowledge their unreadiness for a relationship due to her idol career, resulting in a bittersweet farewell when she returns to Jewel Land.
Her magic specializes in conflict resolution, helping humans avoid arguments and establish peace, directly aligning with her themes. She also possesses significant singing talent. Notably the last Jewelpet introduced in the franchise, Larimar remains the only one without a Jewel Charm form. Her design originated from a fan contest in Japan.