Of course it had been Kiba's fault. Sakura would not have forgotten, nor would Shirakumo-sensei. His irritation with Sakura cleared, redirected toward Kiba. It was likely he had been out drinking last night and had purposefully chosen to not tell Shino in order to maximize his time for carousing.

"He did," Shino said, leaning his back against the wall across from her. "Again."

"The technique is not classified, but I do not think it would be practical for a non-Aburame. Why? Because the kikkai absorb internal heat, leave the body, and expel it elsewhere." He paused for thought, going particularly still as he did. "...would you like a demonstration?"