Yuri Shinoda has been suffering from a two-year-long sexless marriage, watching helplessly as her relationship with her husband grows colder and more distant. Filled with loneliness and anxiety, she struggles through each passing day. One day, a plumbing issue brings a repairman to her door—only for her to discover it's Jiro, her former classmate and first love. Though Jiro insists it's a case of mistaken identity, Yuri chases after him, determined to finally confess the feelings she's kept buried for so long. Could love bloom between them once again?