After the incident in her first year, Seki Yumiko started to close her heart from others. Until finally in her last year of high school, she never thought that her life would change because of one person.
As Eli Ayase starts her new life as a college student, her independency grew to the point that she believed she doesn't need someone to be by her side. Her past lessons and observations of people had taught her to build multiple, sturdy walls no one could possibly break in order for her to avoid any distractions that will arrive in her life.
Until she met Nozomi Toujou, a photography major student residing within the same university as her.