Engaged to the Unidentified (Japanese: 未確認で進行形, Hepburn: Mikakunin de Shinkōkei, "Unconfirmed & In-Progress") is a Japanese four-panel manga by Cherry-Arai. The strip was serialized in Ichijinsha's Manga 4-Koma Palette magazine from April 2009 to February 2022, when it was transferred to Monthly Comic Rex upon that magazine ceasing publication. An anime television series adaptation by Doga Kobo aired in Japan between January and March 2014.