Yuudachi Kai Ni is depicted in a dynamic, sea-browned pose that suggests she is mid-stride, ready to spring into action. She wears a refined navy-blue and white sailor-style ensemble with gold trim, a short pleated skirt, and a carefully sculpted armored overlay on her shoulders and forearms, emphasizing the Kai Ni upgrade. Her long, dark blue twin-tailed hair streams behind her with bright blue ribbons that catch the light of the display. Fine textures capture the fabric folds, the glossy sheen of the armor plates, and subtle weathering along the edges. A pair of torpedo accessories and sea-base elements complete the scene, while anchor motifs and wave patterns decorate the stand, giving a sense of maritime authority and poised readiness.

Yuudachi serves as a dependable destroyer in the KanColle universe, tasked with escorting larger ships and guarding combat routes from dangerous threats. In the Kai Ni storyline, she has grown from a spirited, sometimes stubborn junior into a seasoned and reliable fighter who bears the marks of many campaigns. Her loyalty to her comrades is shown through relentless discipline, cheerful encouragement, and a stubborn resolve to protect her fleet even at personal risk. The Kai Ni upgrade adds resilience and tactical decisiveness to her character, revealing a deeper bond with her sister ships and a stronger sense of purpose as she navigates the perils of battle while remaining hopeful about a peaceful future.