Tohma

==Producer categories==
==External Links==
* Twitter: @tohma_okina
* Twitter: @gyoson_
* piapro
===Media===
* NND Account
* NND Mylist
* YouTube Channel (Gyoson)
===Unofficial===
* NicoNicoPedia
* Pixiv Encyclopedia
* UtaiteDB
* VGMdb
* Vocaloid Wiki
Tohma (トーマ) is a VOCAROCK-type producer known for hard-rock or heavy metal music. His lyrics develop a unique worldview and have a variety of meanings. He is also known for his sophisticated illustrations, and his specialty is detailed modeling. 
After releasing one doujin CD and one major Vocaloid CD in 2013, he retired from being a producer in the VOCALOID community.
In February 2019, he resumed his musical activities under the name "Gyoson" and mainly contributed to YouTube.
Notable works by this producer include , , , , etc.
==Works==
==Discography==
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Category:Producers
Category:Composers
Category:Lyricists
Category:Japanese original producers
Category:Producers using VOCALOID