Yuka Kawamoto, who went from being a victim of bullying to becoming the perpetrator in an accident, is a lonely girl working in a small factory, abandoned by her family and feeling depressed. One day, she meets Rin Mizukawa, who has also become a lonely person. Amidst the unfair, hopeless, and inescapable days that continue, Yuka and Rin grow closer through their quiet conversations, and slowly begin to move from despair to hope.