For many individuals from the mushroom kingdom, the season of the mushroom cup presents a time of celebration. Families come together to cheer on their preferred racer as they zoom around, track after track. One group, however, dreads the arrival of the cup, the coming of their shimmering cube prison. Bomas, a young adult bobomb, is one such person. Today, Bomas spends one last moment at Bobby's grave, his brother's life sacrificed on the track.