|C³ Character Outline|
|Kana Name||夜知 春亮|
|Rōmanji Name||Yachi Haruaki|
|Novel Debut||Volume 1; Chapter 1|
|Manga Debut||Chapter 1|
|Anime Debut||Episode 1|
Haruaki Yachi is a human who doesn't have a weapon of his own unless Konoha transforms into a sword. His father sends him cursed objects, known as Waas because he has a special ability that allows him to rid Waas' of their curses. He attends school with Konoha and Fear.
When Konoha transforms into a sword he is able to use the ablility 'Killing Counter". An ability which focuses on the oponent's weapon's weak points and destroys their weapon.
Sometimes a pervert