SONAP forms.
It is unclear what role each member played in the band as positions were never stated in the booklets. The positions of their former bands were kept in this case.
Kaya (かや) left the band at some point before the recording of Mayugeinu (眉毛犬).
SONAP disbands
SONAP was a visual kei band. They were part of the osare kei subgenre. They were active from 2005 to 2007 and are now disbanded.