As they walk, Heine holds his arms close to himself, trying to avoid bumping into anyone they pass by. As they reach a familiar set of hallways, he doesn't slow down, but he starts to feel even more uneasy.

This is where Professor Eichel's rooms are, aren't they? Jade had told him beforehand that he and the older professor were studying and having sex together.

He wants to protest, but he doesn't say anything even as they reach the door. This might be their only choice right now. But there's a prickling sensation of discomfort the moment after they knock on the door and Professor Eichel comes to the door.