Nagi Oshima (Haru Kuroki) is a single, 28-year-old woman and she works for an electrical product manufacturer. She has extremely curly hair. She spends about an hour a day to make her straight. Nagi Oshima always tries to smile and considers other people’s feelings.
But, one day, her boyfriend Shinji Gamon says something to her. This makes Nagi Oshima look back at her life. She decides to reset her life. Nagi Oshima quits her job, cuts off everybody she knows (including her boyfriend), quits social media and cancels her cellphone. To restart her life, she moves to an old apartment in the suburbs of Tokyo. She wants to have a pleasant and free life, not caring about other people. She also decides to leave her hair curly. Her new life begins, with her ex-boyfriend Shinji Gamon following her and new people in her life. (AsianWiki)