He can see the change overtaking Professor Rammsteiner even before he speaks. It's a subtle thing, just a darkening of his expression and a stiffening of his posture, but even that little is enough for the change to be obvious.

Professor Rammsteiner's reaction is probably going to be unfavourable, isn't it? Jade braces himself.

He isn't disappointed.

Coolly, he raises his wand again. "Obliviate."

It's better for him not to remember. He can't handle it; that much is obvious. If, if, they need to discuss this in the future, it'd be easier without all these emotion-laden memories to cloud Professor Rammsteiner's judgement. He already has poor judgement as it is. They don't need any more complicating factors.