First appearance: Crows #06
Affiliation: Suzuran 24th Class (probably)
Was a member (or leader) of a Suzuran faction opposed to Bandou Faction. Teased him with his underlings and was beaten and thrown out of the 3rd floor window.
He looking down on Bandou for losing to a sophomore indicates that he was probably a senior.
Katsura vs. Bandou - Lost (Crows #06)