The figure presents Sonoda Umi in a dynamic yet refined idol pose that captures her calm assertiveness on stage. Hand-painted details emphasize her long, flowing blue-black hair, which tumbles in soft waves and is pinned with twin, subtle accessories that catch the light from every angle. Her eyes are deep sapphire, painted with careful shading to convey focus and resolve, a signature look for Umi’s disciplined personality. The navy and white stage outfit adheres to the Love Live! aesthetic, featuring crisp creases, glossy white trim, and accents that shimmer as the figure catches different lighting. The sculpt emphasizes clean lines from crown to toes, with a pose that implies movement without sacrificing balance, making it stable on a display shelf. The transparent base uses a cool, sea-toned gradient and a sculpted wave motif to evoke Kiseki’s oceanic theme, while a discreet support stem ensures an elegant, uninterrupted silhouette.

Sonoda Umi is one of μ's most dependable members, a student who combines strong will with a deeply loyal heart. In the Love Live! storyline, she acts as the group’s practical planner, organizing practices, routines, and setlists with precision, while balancing her duties as a friend who looks out for everyone. Her steadfast demeanor masks a sensitive side, showing warmth toward teammates when they need encouragement and a readiness to stand up for what she believes is right. Umi’s arc often centers on discipline, self-improvement, and teamwork, as she grows to trust others and to accept support from those around her. Though reserved at first glance, her quiet confidence inspires those around her to push beyond their limits in pursuit of a shared dream. Her poised presence on stage mirrors her inner resolve to protect her friends and uphold the group's values.