there are multiple artists using this name: 1: Duca (デュッカ) is a Japanese singer/lyricist from Kanagawa Prefecture, Japan. She specializing sang and wrote song mostly for adult game (opening/ending/insert/image themes). Her real name is 中丸智絵 (Chie Nakamaru). She is a member of Peak A Soul+. Since singing her first game theme song in 2003, she is a talented singer who has been in charge of over 200 game theme songs and insert songs. Read more on Last.fm