Skip to content
I'm in Love With My Little Sister poster
5.0 / 10(16 votes)IMDb200550mJapan

I'm in Love With My Little Sister

僕は妹に恋をする

Synopsis

Yori and his twin sister Iku used to be very close as children but lately Yori has grown colder toward Iku and is always eager to stay away from her. Iku was confused by Yori's attitude. Actually Yori is in love with Iku and that forbidden love is causing Yori sleepless nights since Yori and Iku are sharing the same room with bunk beds. Yori tried to ease his intense desire for Iku by bedding Iku's best friend. He had even applied to attend a boarding school in another city to take him far away from Iku. Yori lost his resolve to stay quiet about his feelings when Iku started to talk about having a boyfriend and going on dates. Now Yori want to have his little sister and he confessed. Iku loves her big brother and wanted them to stay together, so Iku is willing to anything to keep them together. But Yori wanted to have Iku as a lover, not as a sister loyal to her twin.

Key Information & Fast Facts

Director
Mayumi Nishimoto, Yukiyo Teramoto
Screenplay & Story
Touko Machida
Original Score
Susumu Ueda
Original Title
僕は妹に恋をする
Country of Origin
Japan
Spoken Languages
Japanese
Runtime
50m
Production Studios
Shogakukan-Shueisha Productions

Creative Leadership & Key Crew

Director

Mayumi Nishimoto, Yukiyo Teramoto

Screenplay & Story

Touko Machida

Original Score & Music

Susumu Ueda

Department Leadership Roster

Mayumi Nishimoto

Director

Yukiyo Teramoto

Director

Touko Machida

Touko Machida

Screenplay

Tomoko Dobashi

Production Design

Age Classification & Content Advisories

Official viewer rating standards and content warnings across international classification boards.

International Certification Matrix

Australia (ACB)M

Mature — Recommended for viewers 15 and older.

Official cinematic photography and background stills for I'm in Love With My Little Sister.

Featured In Curated Collections

Editorial lists, community rankings, and cinematic collections featuring I'm in Love With My Little Sister.

Anime

Anime feature films from Wikidata.

1222 titles

Top Animes - IMDb

2283 titles

aggab midrar

22 titles

Anime

104 titles

Similar Titles to I'm in Love With My Little Sister

Movies sharing stylistic DNA, tone, and thematic storytelling

  • 7.4
    Anime
  • 6.4
  • 5.8
    Anime
  • 6.0
    Anime
  • 7.7
    Anime
  • Anime
  • 6.5
    Anime
  • 7.4
  • 4.7
  • 7.9
    Anime
  • 5.3
  • 4.0
  • 5.5
  • 6.6
  • 6.0
    Anime
  • 6.9
    Anime
  • 5.8
    Anime
  • 6.7
    Anime

More Like I'm in Love With My Little Sister

Recommended titles matching themes, cast, and genres.

7.2
Anime
7.2
Anime
7.7
Anime
7.2
Anime
7.6
Anime
8.5
Anime
6.7
7.6
Anime
8.2
Anime
8.2
Anime
6.8
Anime
8.2
Anime

Frequently Asked Questions About I'm in Love With My Little Sister

Quick factual answers about cast, synopsis, director, box office, and release information.

What is I'm in Love With My Little Sister about?

Yori and his twin sister Iku used to be very close as children but lately Yori has grown colder toward Iku and is always eager to stay away from her. Iku was confused by Yori's attitude. Actually Yori is in love with Iku and that forbidden love is causing Yori sleepless nights since Yori and Iku are sharing the same room with bunk beds. Yori tried to ease his intense desire for Iku by bedding Iku's best friend. He had even applied to attend a boarding school in another city to take him far away from Iku. Yori lost his resolve to stay quiet about his feelings when Iku started to talk about having a boyfriend and going on dates. Now Yori want to have his little sister and he confessed. Iku loves her big brother and wanted them to stay together, so Iku is willing to anything to keep them together. But Yori wanted to have Iku as a lover, not as a sister loyal to her twin.

Who directed I'm in Love With My Little Sister?

I'm in Love With My Little Sister was directed by Mayumi Nishimoto, Yukiyo Teramoto.

Who stars in I'm in Love With My Little Sister?

The principal cast of I'm in Love With My Little Sister includes Showtaro Morikubo, Mai Nakahara, Tomoko Kawakami, Sakiko Tamagawa, Toru Furusawa.

When was I'm in Love With My Little Sister released and how long is it?

I'm in Love With My Little Sister was released in 2005 with a total runtime of 50m.

Who composed the musical score for I'm in Love With My Little Sister?

The original motion picture soundtrack for I'm in Love With My Little Sister was composed by Susumu Ueda.

What is the age rating and content advisory for I'm in Love With My Little Sister?

I'm in Love With My Little Sister holds official age classifications: AU: M (Mature — Recommended for viewers 15 and older.).