Terakomari Gandesblood is the protagonist of the series 'Hikikomari Kyuuketsuki no Monmon.' She is a vampire who struggles with her inability to drink blood, which is unusual for her kind. Despite her weaknesses, she is appointed as a commander, leading a battalion of powerful subordinates. Her journey is filled with comedic and challenging moments as she tries to maintain her facade of strength and authority. Terakomari's character is central to the series, providing both humor and heart as she navigates her peculiar circumstances and personal growth.