Kanamewo

Kanamewo (カナメヲ, lit. "A linchpin") is a single episode ONA series.

Plot
A young, unnamed woman, while biking home from the bank she works at, happens upon a weakened tree goddess whose native shrine is being demolished for construction work. She rescues her and brings the goddess home with her. The two form a relationship, but what will happen to the goddess as the construction progresses?