It's been announced that vocalist SHIGERU will temporarily join the band as a helper. 

This was decided as Takeru would go on hiatus due to tonsil surgery. Although SHIGERU's identity is unknown, he was chosen to join the band for his high-quality abilities as a vocalist. His shouts are the highlight of his vocals and he is about the same height as Takeru,167cm tall (5 ft 5 in).

SHIGERU's identity is scheduled be revealed on March 3. On the same day, an interview will SHIGERU will air on NTV's 'Sukkiri!'. 

Source & Image: natalie