Uno and Kobayashi have joined the Astronomy Club, and Kobayashi begins to discover the joys of stargazing for the first time. But if Kobayashi wants to keep attending, he'll need to conquer his disgust for studying and pass his final exams for once. Will the support of Uno and his coworkers be enough to keep Kobayashi from spending summer break in school? And can Uno learn to have fun without wearing himself out?