Bunny Drop (うさぎドロップ Usagi Doroppu?) is a Japanese josei manga series by Yumi Unita. It was serialized in the monthly magazine Feel Young from October 2005 to April 2011, collected into nine wide-ban volumes by Shodensha. The series has been licensed in English by Yen Press with 9 volumes released as of August 2013. An anime adaptation by Production I.G aired in Japan between July and September 2011. A live-action film was also made and premiered in Japan on August 20, 2011. A spin-off series, also by Unita, entitled Usagi Drop: Bangaihen was serialized in Feel Young from July to December 2011 and collected in one volume. The plot follows thirty-year-old Daikichi as he becomes the guardian of Rin, the illegitimate six-year-old daughter of his grandfather.