My Disguise is Terrible, Your Grace!: A Regency Romantic Comedy Isekai Novel

Theodora Miller dies backstage fixing a costume malfunction - and wakes up as Lady Beatrix Farewell, a Regency baron's daughter about to be married off to a sixty-one-year-old man with gout.There's only one escape Theodora can think of: become someone else entirely. Armed with spirit gum, crepe hair, and four years of high school theater tech experience, she builds herself a mustache, a bolster-pillow physique, and a fictional gentleman named Lord Wallace - and promptly walks face-first into the Duke of Oakhaven.He should expose her in an instant. Instead, he hires her.What follows is a season of collapsing sets, escalating disguises, an increasingly nosy little sister, and a Duke who's far more interested in the woman under the mustache than either of them is ready to admit - because Arthur has known the truth since Lantern Street, and he has absolutely no intention of letting her go.