literally German for "White Cross", written "weißes Kreuz" or "Weißkreuz" in German) is a series about four assassins that work in a flower shopcalled "Kitty in the House". The assassins are members of a group called Weiß (white), which is run by Persia of the mysterious Kritiker organization.he Weiß Kreuz franchise includes two seasons of anime and one OVA series, a light novel, two manga series, and several drama CDs. The four voice actors of the main characters - Takehito Koyasu, Hiro Yūki, Shin-ichiro Miki, Tomokazu Seki - formed a band named "Weiß"; several CDs and singles were released. Media Blasters released the anime in the North America as Knight Hunters: Weiß Kreuz.An assassin group that is under the order of Kritiker ("critic" in German), a secret organization that falls under the Japanese police force.

Ran Fujimiya (藤宮 蘭 Fujimiya Ran)
Codename: Abyssinian
Voiced by: Takehito Koyasu (Japanese); Paul Juhn (Kapitel) Dan Green (Gluhen) (English)
He is known as Aya (アヤ), the name that belongs to his sister who is in a coma. His parents were killed and his sister run over by Reiji Takatori, and thus he joins Weiß seeking revenge.[1] Aya's weapon is a katana named "Shion" after the previous owner and Aya's teacher. Before Aya became Weiß, he was a member of Sendai Kritiker, Tsushima Kritiker and Tokyo Crashers. Aya's car is a white Porsche 928.
Omi Tsukiyono (月夜野 臣 Tsukiyono Omi)
Codename: Bombay (Weiß Kreuz), Persia (Weiß Kreuz Glühen)
Voiced by: Hiro Yuuki (Japanese); Jamie McGonnigal (English)
Due to his computer skills, Omi (オミ Omi) is in charge of gathering information and planning Weiß's missions. He uses a crossbow, bow and poisoned darts as his weapons. Omi was kidnapped when he was eleven, and as his father refused to pay ransom, he was saved by Persia who trained him for a killer.[2] Omi lost his memories due to shock and doesn't remember his life before Kritiker at the start of the series, but as the action unfolds he discovers he is in fact Mamoru