It's Field Day again at Sonohenno Elementary School! The sixth-graders' families have come to spectate the event, where a heap of surprises awaits. No one can guess who will come in clutch, who will dance their heart out, and who will win the climactic footrace this year! Once the dust settles, the kids get ready for their next big activity: a field trip by train. Can Adachi and Inada group up their classmates in a way that will keep everyone happy?