Title: 灰色の空に堕ちた翼 Romaji: Haiiro no Sora ni Ochita Tsubasa Company: dualtail Release: 2009-05-29 Language: Japanese DL site: https://www.dlsite.com/pro/dlaf/=/link/work/aid/vndb/id/VJ003737.html vndb: https://vndb.org/v1655