Tanaka's already rolling over onto his front and starting to get up, as the U-man turns to face Toushirou. He's not fast enough to block that strike though and he falls, though he's quicker to get up than Koshi is.

"Yeah? Well, one more shouldn't be hard!" said the assailant, throwing out a hand towards the boy. Vaguely luminescent green liquid shot out from his fingertips, and by the way it hissed through the air, it probably wasn't anything nice.