This is a detailed cosplay costume set inspired by the '赛马娘' (Umamusume) 5th Anniversary Concert, featuring a gray-themed performance outfit. The ensemble includes a structured cropped top with asymmetrical ruffled sleeves, silver piping, and a heart-shaped chest accessory; a layered A-line skirt with elastic waistband and contrasting black hem; plus multiple character-specific accessories: bunny-ear headband with feather detail, long brown tail, leg warmers, thigh-high socks, back waist bow, neck collar, and chest ribbon with red heart motif. Made from lightweight synthetic fabric for stage mobility and visual impact, the design emphasizes anime-style theatricality with precise color blocking (gray/silver/black) and thematic embellishments. Ideal for cosplay events, anime conventions, or fan gatherings—designed for women to embody the energetic yet elegant aesthetic of the Umamusume idol performers. The set is fully coordinated for authenticity, with attention to proportion and accessory placement matching official concert visuals.