Bundled with the 11th volume of Kanojo ga Flag wo Oraretara light novel.
- Other Title: Kanojo ga Flag wo Oraretara: Christmas? Sonna Mono ga Boku ni Tsuuyou Suru to Omou no ka?, Kanojo ga Flag wo Oraretara OVA, 彼女がフラグをおられたら クリスマス? そんな物が僕に通用すると思うのか?, gaworare oad
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: OVA
- Genres: Comedy, Harem, Romance, School, Mecha, Sci-Fi, Animation
- Characters: Bladefield, Hakua Berserker, Bladefield, Nanami Knight, Daimyouzamurai, Mei, Daishikyougawa, Kurumiko, Eiyuuzaki, Rin, Ginyuuin, Serika, Hatate, Souta, Mahougasawa, Akane, Ninjabayashi, Ruri, Seiteikouji, Mimori, Shoukanji, Kikuno, Touzokuyama, Megumu
- Score: 6.71
- Rank: 5466
- Popularity: 4140