Oov

==Producer Categories==
==Affiliations==
*UN_Ackky
==External Links==
* Website
* Tumblr
* Twitter
===Media===
* Niconico
* Niconico Mylist
* piapro
* SoundCloud
* YouTube
===Unofficial===
"oov", also known as Masanobu YOSHIOKA or HayashiraisuP, is a CeVIO producer. They mainly use Sato Sasara.
==Works==
==Albums==
===Compilation===
__NOTOC__
Category:Producers
Category:Composers
Category:Lyricists
Category:Japanese original producers
Category:Producers using CeVIO
Category:Producers using VOCALOID