Oreimo 2 Poster

Kanji 俺の妹がこんなに可愛いわけがない
Rōmaji Ore no Imōto ga Konna ni Kawaii Wake ga Nai
Aliases My Little Sister Can't Be This Cute
Light Novel
Writer Tsukasa Fushimi
Artist Hiro Kanzaki

Manga Staff
Anime Staff


Oreimo (俺妹), short for Ore no Imōto ga Konna ni Kawaii Wake ga Nai (俺の妹がこんなに可愛いわけがない, lit. There's No Way My Little Sister is This Cute) is an anime adaptation of the light novel series written by Tsukasa Fushimi. Twelve episodes originally aired in Japan between October and December 2010, and four additional episodes were streamed monthly via the official website and other video streaming sites between February and May 2011, before being released on Blu-ray Disc and DVD in June and July 2011.


Oreimo is about Kyousuke who finds out his younger sister has an enormous collection of eroge games with little sister fetishes. It's up to Kyousuke to help his little sister find folks who will accept her hobbies. Can Kyousuke keep Kirino's secret hobby from his parents and Kirino's model friends?


Main Cast

Kyousuke Kousaka (高坂 京介 Kōsaka Kyōsuke)

Voiced by: Yuuichi Nakamura
Gender: Male


continues to develop a close relationship with Kirino after certain incidents: Kirino getting a boyfriend and Kyousuke getting dumped by his girlfriend. When his mother gets suspicious about him and Kirino, his father has Kyousuke live out on his own for college.

Kirino Kousaka (高坂 桐乃 Kōsaka Kirino)

Voiced by: Ayana Taketatsu
Gender: Female


coming home from America, she and her brother fight a bit when Kirino got a boyfriend. When Kyousuke's girlfriend broke up, Kirino confesses that she wants to be the most important person to her big brother.

Ruri Gokou (五更 瑠璃 Gokou Ruri)

Voiced by: Kana Hanazawa
Gender: Female

She has a master plan to create an ideal world for Kirino and Kyousuke.
Ayase Aragaki (新垣 あやせ Aragaki Ayase)

Voiced by: Saori Hayami
Gender: Female


friend of Kirino who hate Kyousuke for tainting Kirino's innocence. Though, she does ask him for advice to improve her relationship with Kyousuke.

Saori Makishima (槇島 沙織 Makishima Saori) / Saori Bajeena (沙織・バジーナ Saori Bajīna)

Voiced by: Hitomi Nabatame
Gender: Female


is a close friend of Kirino and Kuroneko after the offline meeting. Her role is helping Kyousuke when Kyousuke asks her for advice with his relationships between Kirino and Kuroneko. In this series, Saori's origin is revealed.

Manami Tamura (田村 麻奈実 Tamura Manami)

Voiced by: Kana Hanazawa
Gender: Female

She is Kyousuke's childhood friend who does not get along with Kirino. Her past is fully revealed in the true route.

Theme Music

# Theme Performer Episodes OP01 "Reunion" ClariS 002-016
OP02 "星くずこすぷれ☆うぃっち!です!・おめが" Misaki Kuno 010
ED01 "Reunion" ClariS 001, 010
ED02 "Filter" (フィルター) Saori Hayami 002
ED03 "Forever..." (ずっと・・・) Ayana Taketatsu, Kana Hanazawa, Hitomi Nabatame 003
ED04 "Honest☆Rhapsody" (ほねすと☆ラプソディー) Ayana Taketatsu 004
ED05 "Keep" Ayana Taketatsu 005
ED06 "Monochrome☆HAPPY DAY" (モノクロ☆HAPPY DAY) Kana Hanazawa 006
ED07 "Kyou mo Shiawase" (きょうもしあわせ) Yui Ogura 007
ED08 "Setsuna no Destiny" (刹那のDestiny) Kana Hanazawa 008
ED09 "answer" Ayana Taketatsu 009
ED11 "ありふれた未来へ" Satomi Sato 011 ED12 "The last ceremony" Kana Hanazawa 014
ED13 "will" Ayana Taketatsu 015
ED14 "Thank You" Ayana Taketatsu 016