UTAU is a Japanese singing synthesizer application created by Ameya/Ayame. This program is similar to the VOCALOID software, with the difference being it is.
Sequel to The X-Virus. After the X-Virus infected tons of people, the world experienced many drastic changes. Most of what people know is completely gone. Hope is extremely limited in a time of darkness. Can the guardians & Tsukiyomis restore the world to how it was before the X-Virus caused devastation, despite enduring their own problems?