Cover Art
Recently, My Sister Is Unusual  最近、妹のようすがちょっとおかしいんだが。
Comedy / Ecchi / Romance
TV 2014-1

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."

(Source: AniDB)