EasyPop(BETTI) feat. 巡音ルカ & GUMI

Comprised of:

1. EasyPop(BETTI) Person, Born: in
2. 巡音ルカ Female Character, Began: 30 Jan 2009 in
3. GUMI Female Character, Began: 26 Jun 2009 in Japan

Recordings (1)

1. Happy Synthesizer 4:11 (21 Feb 2017) English ver.