Migawari Hakushaku no Bouken

Migawari Hakushaku no Bouken, or The Substitute Count's Adventure, is a Japanese light novel series written by Seike Mimori and illustrated by Kikka Hazuki. Debuting in the mid-2000s under Kadokawa's Beans Bunko imprint, the series emerged during a period of significant growth for light novels aimed at young female readers. It follows the story of Mira, a young woman who assumes the identity of a count to navigate the intricacies of court life and romance, blending historical fantasy elements with classic shojo tropes.

The series is noted for its blend of lighthearted adventure and court intrigue, anchored by Hazuki’s delicate and ornamental character illustrations that define the romantic aesthetic of the era. The books were well-received within the light novel community for their whimsical tone and consistent character development, eventually spawning a manga adaptation that expanded the reach of the original narrative. It remains a representative example of the 'substitute' subgenre in Japanese light literature.