Saku's tails happily rubbed around as Kathy struggled in his mouth. He wasn't in any position to talk but he tilted his head a bit to nod to Reiko. It was a pretty tempting offer and he was rarely one to turn down milk. He sucked on Kathy a bit as he swallowed again. His throat widening to force her down further into his body. As his students watched Saku's little chest and belly began to stretch to acomidate her.