Gang-An's dream of designing the best sneaker in the world is snuffed out when her sneaker customization team, Tria, loses the Custom Kicks Championship. She tells herself that she has given up on her dream for good and tries to carry on with her life when she comes across a shocking truth. OnGrey, the second-largest sneaker brand in the world, has stolen her design from the Championship! Will Gang-An be able to return to designing despite her fears and succeed in her fight against OnGrey to reclaim what is rightfully hers? (Source: Webtoon Entertainment)