Characters Main Characters Sakurai Yuki Luka Crosszeria Zweilt Guardians Tsukumo Murasame Murasame Toko Renjou Hotsuma Usui Shusei Hourai Kuroto Furuori Senshirou Shinmei Sairi Otonashi Ria Giou Clan Giou Takashiro Giou Tachibana Fujiwara Isuzu Kureha Aya Shikibe Ibuki Shikibe Tsubasa Katsumi Tooma Shinmei Masamune Kureha Fuyutoki Antagonist Giou Reiga Shinmei Masamune Crosszeria Luze Elegy Cadenza Others Terminology Anime Episode 1-12 Time, Set in Motion Eternal Investigation Walpurgis Night Lost Days, White Future A New Encounter The Boundary between Light and Despair The Twilight Mansion Brand Zess Scars Cry of Despair Episode 13-24 Irony of Fate The Name of Said Bonded Contract After Determination... Frozen Time Sakura A World Without You The Vengeful Pair Sin and Punishment and Promise The Indelible Image To the Final Battle... Music Manga Volume One Volume Two Volume Three Volume Four Volume Five Volume Six-Eight