| A Sister's All You Need | |
 First light novel volume cover | |
| 妹さえいればいい。 (Imōto Sae Ireba Ii) | |
|---|---|
| Genre | Romantic comedy[1] |
| Light novel | |
| Written by | Yomi Hirasaka |
| Illustrated by | Kantoku |
| Published by | Shogakukan |
| English publisher | |
| Imprint | Gagaga Bunko |
| Demographic | Male |
| Original run | March 18, 2015 – February 18, 2020 |
| Volumes | 14 |
| Manga | |
| Imōto Sae Ireba Ii @comic | |
| Written by | Yomi Hirasaka |
| Illustrated by | Idu |
| Published by | Shogakukan |
| Magazine | Monthly Sunday Gene-X |
| Demographic | Seinen |
| Original run | December 19, 2015 – July 19, 2019 |
| Volumes | 9 |
| Manga | |
| Imōto Sae Ireba Ii Gaiden: Imōto ni Saenareba Ii! | |
| Written by | Yomi Hirasaka |
| Illustrated by | Kobashiko |
| Published by | Square Enix |
| Magazine | Gangan Joker |
| Demographic | Shōnen |
| Original run | October 22, 2016 – February 22, 2018 |
| Volumes | 3 |
| Anime television series | |
| Directed by |
|
| Produced by |
|
| Written by | Yomi Hirasaka |
| Music by | Tomoki Kikuya |
| Studio | Silver Link |
| Licensed by |
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| Original network | Tokyo MX, KBS, Sun TV, BS11, AT-X |
| Original run | October 8, 2017 – December 24, 2017 |
| Episodes | 12 |
A Sister's All You Need (Japanese: 妹さえいればいい。, Hepburn: Imōto Sae Ireba Ii) is a Japanese light novel series written by Yomi Hirasaka and illustrated by Kantoku. Fourteen volumes were published by Shogakukan under their Gagaga Bunko imprint from March 2015 to February 2020. Two manga adaptations have been published by Shogakukan and Square Enix. A 12-episode anime television series adaptation by Silver Link aired from October to December 2017.
- ^ Loo, Egan. "Imōto Sae Ireba Ii. Light Novels by Haganai's Hirasaka Get Fall TV Anime". Anime News Network. Archived from the original on August 29, 2023. Retrieved May 10, 2017.
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