The two dramas have the same premise. Both FL work for a magazine company and deal with hard headed bosses. Though for Oh My Boss, the plot is not toxic like She Was Pretty.
The two drama have the same female lead and are both light-hearted dramas. Both dramas also tackles the premises of dating 3Bs.
Both series involve traditional Japanese crafts, Kyoto Love Story with dessert and Mare with lacquerware, though it is more of a side story. The ML in Mare is also into dessert but more Western dessert, unlike the one is KLS. Both series tackle the hardships and passion they have for their respected crafts and both series involve the main couples becoming the successors of their traditional shops.
Both involve FL traveling back in time to a historical period. Lighthearted series, not too much drama.