Where to Watch
Region
Apple TV Store
Buy from
HD
$24.99
Crunchyroll
Stream included
HD
Included
Crunchyroll Amazon Channel
Stream included
HD
Included
Prices last updated September 24, 2026. Pricing and availability may vary by region.
powered by JustWatch
Seasons
All seasons
About
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.
First Aired
Oct 8, 2017
Last Aired
Dec 24, 2017
Seasons
1
Episodes
12
Network
Tokyo MX
Studio
SILVER LINK.
Original Title
妹さえいればいい。
Original Language
Japanese
Cast
Full credits →S
Satoshi Hino
Haruto Fuwa
H
Hisako Kanemoto
Nayuta Kani
A
Akane Fujita
Kaiko Mikuniyama
K
Kohsuke Toriumi
Kenjirou Toki
M
Manami Numakura
Ashley Oono
A
Ai Kakuma
Miyako Shirakawa
C
Chinatsu Akasaki
Kirara Yamagata
Y
Yusuke Kobayashi
Itsuki Hashima
T
Tsubasa Yonaga
Setsuna Ena
N
Nozomi Yamamoto
Chihiro Hashima
J
Junko Minagawa
Mitahora Mother
K
Kaori Mizuhashi
Haruto's younger sister
