Having spent her entire life in the remote Japanese countryside, Asagi Soramame takes a giant leap of faith when she decides to follow her childhood friend and fiancé to Tokyo. But life in the big city quickly proves to be nothing as she imagined. Struggling to find her place in this big new world, Asagi’s life takes an interesting detour when she meets an aspiring musician, Oto Umino.

Shiratama Sayako has never experienced much good luck. Since she was a child, she dreamed of becoming an architect. She studied hard, but she repeatedly failed her university entrance exams. Now, she is 30 years old and works in a field far away from her ideal job. One day, she happens to meet mysterious university student Ogasawara Taku. She tells him about her past dream of becoming an architect. Ogasawara Taku tells her that it is never too late and that she can still get accepted into a university. Inspired by their talk, Shiratama Sayako decides to study once again for her university entrance exams. After she studies so hard, she finally gets accepted into a university. There, Shiratama Sayako meets Ogasawara Taku again, who is a senior in the architecture department.

Ryota Moriyama, a senior at Kyoritsu University, receives a job offer at a first-rate company but gets dumped by Saki Nishino. His professor tells him that he can graduate on the condition that he joins the sumo club and competes in at least one match. With only a single member, Honoka Oba, for the past two years, the sumo club is on the brink of collapse. In order to graduate, Ryota endures Honoka’s strict training methods and starts to recruit other members.