April, first-year students at Kujirahama High School, childhood friends Nekozono Kei and Samejima Rio were planning to join the "gardening club" as they had promised when they were little. However, when they go to apply to join the club, they discover that Kujirahama High School does not have a gardening club! They decide to form their own gardening club and try to gather members as soon as possible, but ......? The loose club life of high school boys with a reason!