Sousuke (CV: Yuuki Kaji) is a little sassy yukionna–well, obviously he’s not an “onna” but he’s half the “yuki” minus the “onna”. So he’s a rarity male breed basically. Anyway, he’s, so to speak, an ice-hearted guy who’s an complete ass to Koyomi for various heart-wrenching reasons, I assure you.