＿＿

＿＿ (アンダーバー), or Underbar, is an with a thick voice who covers songs freely. He also provides multiple voices for characters by himself in his songs; however, he does occasionally collaborate with other utaite.

He often puts his trademark mask into his videos, replacing the faces of those shown in the original PV. Usually, his videos are titled "Freedom" (フリーダム) and are silly parodies. However, sometimes he sings songs normally, and tags his videos with "Futsuudom" (フツーダム), which is a portmanteau of "normal" (futsuu) and "freedom". He is also known affectionately as "An-san" to his fans.

Trivia

 * He uses a Rode NT1-A Condenser Microphone and the programs Sound3 and Audacity.
 * He is born on March 14 and claims to be eternally 17 years old.
 * He is 170cm tall and weighs 53 kg.
 * His favorite food is chicken meat and he hates beans. He likes orange juice and dislikes "the tab water on earth".
 * He likes Denpa music.
 * He has 2 sisters and a pet dog.