Imouto sae Ireba Ii.

Itsuki is a novelist who dedicates himself to crafting the ideal younger sister. His life includes a talented and affectionate female writer, a supportive classmate from college, a male writing peer, a cruel tax accountant, and his editor. All of them are cared for by Chihiro, Itsuki's seemingly perfect younger step-brother, who harbors a significant secret.

Traduzione in corso — testo originale in inglese.