The Dark Brown Editor and the Shota Mangaka

Vol.3 Chapter 20
Vol.3 Chapter 19
Vol.3 Chapter 21
Vol.3 Chapter 19
Vol.3 Chapter 21
Miyazaki Nagi hasn't been able to make it as a mangaka. On top of that, his editor changed recently. After returning home one day, a depressed Nagi opened his door to find... a beautiful, dark brown woman in her underwear?!