Hekigyoku no Dansou Kouryoushi wa, Fushigi na Iyashi Jutsu de Kyuuteiikan ni Narimashita.

To hide her origin, Getsu hides her eyes with long bangs and lives inconspicuously. She earns a meager living by using a mysterious technique that cures ailments with fragrance, but suddenly she is taken away by the court and ordered to cure insomnia. The person he meets is the crown prince, who stands at the top of the country! Source: MU