From ANN:
The manga centers on Ako Kawasumi, a woman who works at a movie rental store. Her days pass by between her job and boyfriend in an indistinguishable blur. But one day, she sees a girl skateboarder who captivates her heart. Slowly, all the hopes she abandoned and the futures she envisioned return, and she resolves to change herself before it's too late. This is the story of women who are captivated by skateboarding.