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.
Seasons and episodes
1 season · 12 episodes
Every day is full of fun. But something is missing. "My life would be amazing if only I had a little sister. Why don’t I have a little sister...?" These are the musings of little sister-lover and novelist Itsuki Hashima, who only writes wor
S1 E1I Only Need a Little Brother Who Can Cook, a Beautiful Naked Girl, and Friends I Can Relate to
Oct 8, 20175.124 min
Itsuki Hashima is a popular, young novelist. However, he is obsessed with little sisters and his works seem to always include little sisters, so there’s some difficulty coming up with a new series. One day, his younger step-brother Chihiro
S1 E2If Only a Miracle Would Happen
Oct 15, 20174.624 min
Nayuta and Miyako walk in on Itsuki, who was naked in front of the bathroom mirror, trying to act out the little sister character in his new volume. Itsuki is everything to Nayuta, and Miyako secretly has some feelings for Itsuki, but Nayut
S1 E3As Long As It's For Research
Oct 22, 20174.624 min
Itsuki, Nayuta, and Miyako have a hard time dealing with the cold and head down to Okinawa. The next day, they visit a remote island so Itsuki can do some research and Nayuta decides to flail around naked in the water. Miyako is awed by wha
S1 E4As Long As You're Working.
Oct 29, 201724 min
Nayuta, Miyako and Haruto gather at Itsuki’s room for Valentine’s Day, and Haruto tries to show off his friendship with Itsuki again. Toki then shows up with the chocolates that fans had sent to them. A few days later, a new face shows up a
S1 E5All You Need Is to Write Novels.
Nov 6, 201724 min
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
S1 E6Having Your Media Developments Go Well Is All You Need.
Nov 13, 201724 min
Itsuki has a meeting with Kaiko Mikuniyama, the manga artist who will be doing the manga version of “Mahou Academy.” She looks very refined, which makes Itsuki nervous, but apparently she loves little sisters as much as he does. The group h
Starring
Satoshi Hino
Haruto Fuwa
Hisako Kanemoto
Nayuta Kani
Akane Fujita
Kaiko Mikuniyama
Kohsuke Toriumi
Kenjirou Toki
Manami Numakura
Ashley Oono
Ai Kakuma
Miyako Shirakawa
Chinatsu Akasaki
Kirara Yamagata
Yusuke Kobayashi
Itsuki Hashima
Tsubasa Yonaga
Setsuna Ena
Nozomi Yamamoto
Chihiro Hashima
Junko Minagawa
Mitahora Mother
Kaori Mizuhashi
Haruto's younger sister
Frequently asked questions
- Where can I watch A Sister's All You Need?
- A Sister's All You Need is streaming on Crunchyroll. It can also be rented or bought on Apple TV Store. Availability is refreshed weekly.
- How many seasons of A Sister's All You Need are there?
- A Sister's All You Need has 1 season and 12 episodes. Status: Ended.
- Will there be a new season of A Sister's All You Need?
- A Sister's All You Need has ended; no new episodes are scheduled. The final episode aired on December 24, 2017.
- Who stars in A Sister's All You Need?
- A Sister's All You Need stars Satoshi Hino, Hisako Kanemoto, Akane Fujita, Kohsuke Toriumi, Manami Numakura.
