Goshujin-sama Senyou Kisai Gakudan Virgil

So in the end it was indeed plural as it was announced the band had two new guitarists join, Takato and Luta. There has also been an update to the OHP so everyone has new pictures, and Roa has finally gone back to having black hair again.

You can check out more information about the new members at the vk database (Japanese only).

Takato

Luta

One thing to note is that Takato and Asa have been band mates before for the group 恋 (Ren).