ストレイテナー (STRAIGHTENER) are
• ホリエアツシ (Atsushi Horie - vocals, guitar, keyboards)
Also plays guitar, keyboards and sings for the band FULLARMOR and has a solo project named ent.
• ナカヤマシンペイ (Shinpei Nakayama - drums)
Also played drums in the band, The Predators, with Sawao Yamanaka (guitar, The Pillows), and Jiro (bass, Glay) .
• 日向秀和 (Hidekazu Hinata - bass)
Former bassist of ART-SCHOOL and Zazen Boys.