Class 5-1's Tatsuko is brimming with anticipation for the upcoming school sports festival. However, her suggestion for a new game - "Eel Scooping" - is met with lukewarm response, particularly from Suzuka. Meanwhile, Illya informs Miyu about the festival's main event dance, which offers a grand prize, but requires intensive preparation, as Teacher Taiga Fujimura points out. Determined to triumph and earn their class and Fujimura's esteem, the tight-knit group of friends sets out to win the dance competition. The squad comprises the sarcastic Nanaki, the level-headed Suzuka, the rambunctious Tatsuko, the dynamic Illya, the bashful Mimi, and the reserved yet athletically-inclined Miyu. Unknown to the girls, Fujimura has a personal wager riding on the event and desperately needs to prevail - a detail that the girls may have misinterpreted.