Roundabout (OTSU Hiyori)

Sinopsis

Oono Chiharu and Kawahara Asami were high school sweethearts. Their relationship ended abruptly when Chiharu moved away without a word, leaving Asami heartbroken and unable to forget her first love. Seven years later, they cross paths again as adult career women. Asami immediately recognizes Chiharu, but Chiharu acts as if they are strangers. Feeling betrayed once more, Asami decides to make Chiharu experience the same pain she did.