Jade's reaction is instantaneous. His back curves, shoulders hunching at the unexpected girth forcing him open. Another gasp catches in his throat.

"Wh-what...?"

He had just been starting to get used to the feeling of Professor Rammsteiner's cock sliding in and out of him. Now, he finds himself thrown off-balance again, instinctively clenching around this new intrusion but not quite knowing what it is - or what Professor Eichel hopes to achieve with it. He shoots Professor Eichel a surprised glance over one shoulder, his eyes wide with a silent question.