Yoshiwaki no Kakimushi

The story is set in the mid-Edo period. Obun, the only daughter of a bookstore owner, is known for her drawing skills that rival those of adults, and is nicknamed "Kakimushi". Obun has a cheerful personality and loves the literary genre of "Kibyoshin," which combines pictures and stories, but she has been feeling lonely since being separated from her mother, who was once a prostitute. One day, after an incident that occurred at a bookstore, she sets foot in the Yoshiwara red-light district alone in search of her mother --!?

(Source: Ultra Jump, translated)