Lunasa Prismriver The eldest of the Prismriver Sisters. Species: Poltergeist Title: Poltergeist Violinist Abilities: Performing instruments without using hands; performing notes of melancholy (sounds that calm people down, but cause lethargy if heard for too long). Gender: Female Role: Violinist in Prismriver with H.

Merlan Prismriver The second of the Prismriver Sisters. Species: Poltergeist Title: Poltergeist Trumpeter Abilities: Performing instruments without using hands; performing notes of mania (sounds that get people excited, but cause them to dance uncontrollably or lose the ability to converse if heard for too long). Gender: Female Role: Trumpeter in Prismriver with H.

Lyrica Prismriver The youngest of the Prismriver Sisters. Species: Poltergeist Title: Poltergeist Keyboardist Abilities: Performing instruments without using hands; performing notes of illusion (sounds from the outside world that were lost upon death; these sounds also unify and adjust the melancholy and manic notes of her sisters, making the music easier for ordinary people to listen to without side effects). Gender: Female Role: Keyboardist in Prismriver with H.

Raiko Horikawa Species: Tsukumogami Title: Percussionist of Phantasmagoria Abilities: Making anything follow a rhythm. Gender: Female Role: Drummer and percussionist in Prismriver with H.

Fujiwara no Mokou Species: Hourai Person (Immortal Human) Title: The Scarlet Vigilante Abilities: Neither aging nor dying. Nickname: Mokotan Gender: Female She is a passionate fan of Prismriver with H (attending every single live show). Apparently, Prismriver with H's selling point is "up-tempo songs with a nihilistic view of life and death."