Labramon, also known as Shiisamon in its evolved Champion form, is a Beast-type Digimon that serves as the partner of Minami Uehara in the film Digimon Tamers: Battle of Adventurers. This Digimon was originally created by Minami’s father as the prototype of a virtual pet, known as a V-Pet, with its data modeled after Minami’s deceased pet dog, Mei. Labramon appears as a small, doglike creature resembling a Labrador Retriever, characterized by white fur, red eyes, magenta ears, and a curled tail. In its Champion stage, Shiisamon (also referred to as Seasarmon) takes on a more powerful, lion-like form with protective motifs inspired by the Okinawan shiisaa statues. The Digimon’s primary motivation is to protect Minami, reflecting an unwavering loyalty that treats the safety of its tamer as its highest duty. It carries within itself the vaccine program designed by Minami’s father, intended to neutralize the viral threat that the villainous Mephistomon unleashes through corrupted V-Pets worldwide.

Throughout the story, Labramon first manifests from Minami’s laptop as Shiisamon to rescue her from Digimon attacks, but it is later devolved to its Rookie form by Mephistomon during a confrontation. Despite its weakened state, Labramon continues to shield Minami, ultimately sustaining fatal injuries while defending her. Its key relationship is with Minami, whom it recognizes as its intended partner even though she initially rejected the V-Pet because it reminded her of Mei’s death. The turning point of the character’s development comes when Minami finally accepts Labramon as Mei, calling it by that name and thereby activating the vaccine program within its data. This act not only cures the global computer systems affected by the virus but also allows Labramon to fulfill its purpose, sacrificing itself in the process. Notable abilities include Cure Liqueur, which restores and optimizes the data of allied Digimon, and Retriever Bark, a powerful bark that generates a hyper-oscillation attack. As Shiisamon, it gains enhanced combat capabilities, though in the film it is quickly overpowered before reverting to Labramon. The character’s arc is centered on themes of grief, acceptance, and the bond between a child and her lost pet, with Labramon functioning as both a digital reconstruction and the genuine spirit of Mei.