10 titles recommended if you like Hiiro no Kakera
Tsubasa RESERVoir CHRoNiCLE
The Do-Over Damsel Conquers the Dragon Emperor
Nina the Starry Bride
Bibliophile Princess
7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy!
Though I Am an Inept Villainess
My Happy Marriage
The Too-Perfect Saint: Tossed Aside by My Fiancé and Sold to Another Kingdom
Candy Candy
The Executioner and Her Way of Life