A Sister's All You Need — Season 1, Episode 5: All You Need Is to Write Novels.

Episode synopsis

Itsuki is nearing his final deadline for volume 5 and flees from his editor, Toki, however he is immediately caught. However, Itsuki manages to escape when he runs into Setsuna and they both go to a hot springs. Setsuna felt like he was in a slump and wanted to see some asses to get some inspiration. But when they get to the ryokan with the hot springs, Itsuki witnesses something horrifying...

About A Sister's All You Need

Itsuki Hashima is a light novelist obsessed with little sisters, strictly focusing on them when he writes his stories. Despite his personality, he's surrounded by a tight circle of friends, including a beautiful genius writer who loves him, a big-sisterly college classmate, a fellow male writer, a sadistic tax accountant, his editor, and Chihiro, his perfect younger step-brother who takes care of the housework and cooking. As the story progresses, the underlying conflicts of dreams and goals surface, as each character attempts to achieve their dreams, in their own way.

More episodes from Season 1

• E1I Only Need a Little Brother Who Can Cook, a Beautiful Naked Girl, and Friends I Can Relate to
• E2If Only a Miracle Would Happen
• E3As Long As It's For Research
• E4As Long As You're Working.
• E6Having Your Media Developments Go Well Is All You Need.
• E7Adventure Is All You Need.
• E8All You Need Is Love and Friendship.
• E9Nudity and Underwear Are All You Need.
• E10A Lack of Problems Is All You Need.
• E11Becoming the Protagonist Is All You Need.
• E12A Sister's All You Need?