Pianist Misaki runs a piano school at her home, with the support of her understanding husband, alongside her performances. One day, noticing an issue with the tuning, Misaki consults her usual tuner, but unfortunately, he's too busy. 'He's quite skilled,' she is introduced to a tuner named Kagi-yama for the first time. However, Kagi-yama's rude manner of speaking infuriates her, and she tries to send him away...
