本片改编自同名小说，以茨城县的高中2年级学生溪本亚纱（樱田日和 饰）、东京涉谷的中学1年级学生安藤真宙（黑川想矢 饰）、长崎五岛列岛旅馆的女儿高中3年级学生佐佐野圆华（中野有纱 饰）为中心，讲述了在疫情期间上学和社团活动受到限制的2020年，利用远程会议同时挑战天体观测比赛“星际竞赛”的全国初高中生的模样。

2023 film directed by Daishi Matsunaga

7 years ago, Yoichi died in a traffic accident. His wife Ryoko did not receive compensation from her husband's death. She has since raised her son Junpei by herself. Junpei is now a middle school student. Ryoko also cares for her father-in-law, who lives in a nursing home and she also runs a cafe. Her care is in a difficult situation due to Covid-19, while Junpei experiences bullying at school.