The ensemble cast is composed primarily of adults working within the creative industry:
: The protagonist, a novelist whose obsession with "imoutos" stems from past emotional trauma and an inferiority complex. Imouto sae Ireba Ii.
: Similar to works like Shirobako , it provides a look into the publishing world, including the roles of editors, illustrators, and tax accountants. The ensemble cast is composed primarily of adults
: The series highlights how creators use fictional spaces to understand themselves and communicate emotions they struggle to express in real life. 2. Key Characters including the roles of editors
: A genius author who is madly in love with Itsuki. Despite her success, she struggles with her own past and eccentricities, such as only being able to write while naked.