takrockers!! (#1354)

[CHz]

Creeping on takrockers!! to find their real names

mochi = Hirotaka Mochida (持田 泰孝), he just admits this on Twitter and his site
hisashi = Hisashi Hashimoto also by Twitter

Three members of takrockers!! are credited for music for this stage show thing http://aude.iinaa.net/oude/cast&staff.html

音楽　岡本すばる　takrockers!!持田 泰孝　尾登 大祐　小川 圭

Two of them were guest musicians on the blue chee's album out of the blue http://bluechees.com/disco/

小川圭(「メジャマジ・マーチ」、「FORTUNE ARTERIAL ヴォーカルアルバム2」等)
尾登大祐(佐咲紗花「Break your world」ギター等)

The composer of "Break your world" says guitar was performed by BB https://twitter.com/gojyokai/status/277714599883714561
So BB = 尾登大祐
See also this tweet thread including BB https://twitter.com/tee_yah_49_0901/...54977569243136

Fortune Arterial character song album 2 has songs written by c.sagi and BB, with instruments performed by BB, hisashi, and mochi. http://vgmdb.net/album/28357
The only one of those four we don't have a name for yet is c.sagi, so c.sagi = 小川圭.