Oneshot. Amau Ako asks Sensei to visit her again. Trapped in the Prefect HQ by the night rain, they digress again and again in a comedic downward spiral of Ako's thought process until they reach a critical point, and Ako makes a decision.

After having arrived at Kivotos, Sensei finds that this seemingly futuristic society is more like the outside world than he thought. As he comes to understand his new surroundings, he finds himself wishing to mend the pain of a girl who has been by herself for a long time...