saikin_imouto_no_yousuga_chotto_okashiindaga
A manga series by Matsuzawa Mari that was published between 2010 to 2016. An anime adaptation aired in 2014.
h4. External links
* Wikipedia: Recently, My Sister Is Unusual
* MyAnimeList: Saikin, Imouto no Yousu ga Chotto Okashiinda ga.