Nudity and Underwear Are All You Need.

A Sister's All You Need. · Episode 9 · “Nudity and Underwear Are All You Need.”

The story follows the everyday life of Itsuki, a novelist and "modern day Pygmalion" who works day in and day out to create the ultimate younger sister. He's surrounded by various other characters: a beautiful genius writer who loves him, his big-sisterly classmate from college, a fellow male...