Koharu Mitsurugi

Koharu Mitsurugi (御劔 虎春), also known by his stage name "HARU", is the bassist of Fantôme Iris.

Personality
While looking as cute as a girl, what lies beneath is the strongest delinquent who used to be feared by the name of "The Tiger of Mikawa". However, he had a change of heart and is now working as a nursery school teacher. Extremely strong and manly, but a very caring person inside. Daimon Kusunoki has been his childhood friend since elementary school. He's very happy to dress and look like this for Fantôme Iris.

His HARU persona is a vampire from a differing faction. However, he has come to understand the ideals of FELIX and now works together with him.

Etymology

 * The name Koharu means "tiger" (虎) (ko) and "spring" (春) (haru).
 * Koharu's surname Mitsurugi means "sword" (御劔).

Trivia

 * The name of the school that Koharu is teaching at is Chorus Nursery.
 * Koharu likes Shiruko sandwich because it is the snack Daimon's grandfather would give to him without fail.
 * Koharu, along with Daimon, are the oldest characters in the entire BanG Dream! franchise.
 * According to the Daily Life of Argonavis comics, Koharu seems to enjoy watching Pro Wrestling.