Aether discovers that his actions did not went unnoticed by Furina
 
Bit of liberties taken, this was made before her first leaks, so the story might not be completely canon, but then again it's not like all this tg transformation is canon either.
 
Anyway this story sees Furina retaining the power of Focalors but keeps her haughty attitude, much to Aether's chagrin!
 
(The whole oceanid thing was accurate too)