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.
Where to watch A Sister's All You Need in United States
Crunchyroll
Crunchyroll Amazon Channel
Apple TV StoreClick a service to open A Sister's All You Need there. Availability last verified on June 20, 2026.
Where is A Sister's All You Need streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Crunchyroll, Crunchyroll Amazon Channel | Apple TV Store |
| India | JioHotstar | — |
| United Kingdom | Crunchyroll, Crunchyroll Amazon Channel | Apple TV Store, Amazon Video |
| Canada | Crunchyroll Amazon Channel, Crunchyroll | Apple TV Store |
| Australia | Crunchyroll, Crunchyroll Amazon Channel | — |
| Germany | Crunchyroll, Crunchyroll Amazon Channel | — |
| France | Crunchyroll, Crunchyroll Amazon Channel | — |
| Spain | Crunchyroll, Crunchyroll Amazon Channel | — |
| Brazil | Crunchyroll, Crunchyroll Amazon Channel | — |
| Japan | Amazon Prime Video, FOD | Amazon Video, FOD |
About A Sister's All You Need
A Sister's All You Need is a 2017 Japanese-language comedy and animation series. The cast is led by Satoshi Hino, Hisako Kanemoto, Akane Fujita. It spans 1 season and 12 episodes and has concluded. Viewers rate it 7.6/10 across 100 ratings. In United States, it is currently streaming on Crunchyroll, Crunchyroll Amazon Channel.
A Sister's All You Need was produced by SILVER LINK. and made in Japan. It was first aired on October 8, 2017, and carries a TV-MA certification.
- Writers
- Yomi Hirasaka
- First aired
- October 8, 2017
- Last aired
- December 24, 2017
- Original language
- Japanese
- Age rating
- TV-MA
- Status
- Ended
- Seasons
- 1 (12 episodes)
- Network
- Tokyo MX, KBS Kyoto
- Country
- Japan
- Production
- SILVER LINK.
A Sister's All You Need cast & crew
A Sister's All You Need was written by Yomi Hirasaka.
The cast features Satoshi Hino as Haruto Fuwa, Hisako Kanemoto as Nayuta Kani, Akane Fujita as Kaiko Mikuniyama, Kohsuke Toriumi as Kenjirou Toki, Manami Numakura as Ashley Oono, and Ai Kakuma as Miyako Shirakawa.
Behind the camera, the score was composed by Tomoki Kikuya, cinematography is by Mutsumi Usuda, and it was produced by Yuichi Izumi and Atsushi Chiku.
Is A Sister's All You Need worth watching?
A Sister's All You Need holds an audience score of 7.6/10 from 67 ratings, marking it as well-reviewed comedy series.
With 1 season and 12 episodes, it's a quick, bingeable run.
If you enjoy comedy and animation, A Sister's All You Need is worth a place on your watchlist.
How and where to watch A Sister's All You Need
In United States, you can stream A Sister's All You Need on Crunchyroll and Crunchyroll Amazon Channel, or rent and buy it on Apple TV Store. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of A Sister's All You Need
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
A Sister's All You Need — FAQs
▸Where can I watch A Sister's All You Need in United States?
A Sister's All You Need is streaming on Crunchyroll, Crunchyroll Amazon Channel in United States.
▸Is A Sister's All You Need on Crunchyroll?
Yes — A Sister's All You Need is currently available on Crunchyroll in United States.
▸What language is A Sister's All You Need in?
A Sister's All You Need is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How many seasons of A Sister's All You Need are there?
A Sister's All You Need has 1 season with 12 episodes in total.
▸What is A Sister's All You Need rated?
A Sister's All You Need is rated TV-MA. It holds a 7.6/10 audience score from 67 ratings.
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