Aoi, a part-time housewife stuck in a passionless marriage, one day stumbles upon her husband's, Kazuhisa, secret social media account. Suspecting an affair, she decides to uncover the truth by meeting him disguised as "Mitsuba." To her shock, not only does Kazuhisa fail to recognize her, he also begins to flirt intensely with "Mitsuba"!Distrustful yet curious, Aoi is taken aback by how unexpectedly comfortable it feels to spend time with her husband again. As the night wears on, the two end up at a love hotel together."Tonight, I'm not 'Aoi'. I'm a different person." Caught between suspicion and rekindled feelings, their tangled emotions as husband and wife begin to collide!