Masaki Haruna (born May 3, 1970), known professionally as Klaha, is a Japanese singer-songwriter.
He is best known as third vocalist of the visual kei rock band Malice Mizer from 2000 to 2001.
He was previously in the 1990s new wave band Pride of Mind, and started a solo career after leaving Malice Mizer.
A silent film retelling of Bram Stoker's Dracula starring and soundtracked by Malice Mizer. Jonathan (Klaha), engaged to Cecil (Terumi Nagayoshi) has received a letter from the Earl of Dracula (Yu~ki) who asks him to travel to Transylvania to finalize the purchase of a manor which causes him to push back his wedding, soon after he arrives Dracula imprisons Jonathan and travels to London to meet Cecil. Meanwhile, the resident Vampire in London (Közi) is not happy that Dracula has gone there to hunt and attempts to thwart Dracula's wishes but is prevented by his sister the Nun (Mana) who is a minion of Dracula.
A home video release of a two-day live concert played by Malice Mizer on August 31 & September 1, 2000 at the Nippon Budōkan Hall in Tokyo, Japan — the band’s first performances with lead vocalist Klaha. Malice Mizer performs their fourth studio album, "Bara no Seidou" in its entirety using the gothic cathedral from the album’s cover as an enormous set piece alongside pyrotechnics and a choir of veiled nuns.