Saikin, Imōto no Yōsu ga Chotto Okaishiin Da Ga.

Recently, My Sister is Unusual (最近、妹のようすがちょっとおかしいんだが., Saikin, Imōto no Yōsu ga Chotto Okashiin Da Ga., lit. "Lately, My Little Sister's Been Acting A Bit Strange, But."), also known as ImoCho (妹ちょ. ), is a Japanese manga series by Mari Matsuzawa, serialized in Fujimi Shobo's Monthly Dragon Age since November 9, 2010. An anime television series premiered in Japan in January 2014. It was adapted into a light novel written by Kougetsu Mikazuki, which was published on January 18, 2014 under Fujimi Shobo's Fujimi Fantasia Bunko imprint. A live action film adaptation premiered on May 17, 2014.

Plot
In the romance comedy, a girl named Mitsuki Kanzaki lives with her step-brother Yuya after her mother remarries. One day, Mitsuki is possessed by the self-proclaimed spirit of a young girl, Hiyori Kotobuki. Hiyori (in Mitsuki's body) must fall in love with Yuya to move towards the "Gates of Heaven."

Official

 * Manga official website
 * Anime official website

Other Sources

 * Recently, My Sister is Unusual
 * ANN profile
 * MAL profile

Other Wikis

 * w:c:AnimeBaths:ImoCho