^http://www.ne.jp/asahi/v/hara/ga_core/ga_core1_2.html "Hiro: About a week after I joined the company, Yuji Naka, Hayashi, and I were put together and asked to create a game for girls... Eventually, a designer was hired, but until then, I drew the dots by myself. So there were four project members. The music was done by Hayashi."