Miku disguises as Ichika, refusing the confession and invitation of Maeda, a classmate of Ichika. By chances, Miku and Futaro are hand in hand. School camping trip is about to start, but before the trip begins, Raiha falls ill. To look after her, Futaro still misses the school unit despite Raiha's speedy recovery. So are the quintuplets, who all wish Futaro's participation. As a result, the six take their private car to the destination. However, due to the poor weather condition, they are stuck on road...