Very nice review Jean-luc!
Of note: The tail is not skinny enough compared to the fuselage, which results in the the lower rear inverted "hump" not being roughly equal in height to the thickness of the tail at this juncture, as it should be.
This is not too bad however, and the bottom tail profile likely can be "cut" upward fairly easily with a long horizontal cut that trims the tail's height. The lower rear tail plastic is likely not thick enough for just sanding/carving this upward however, as about 1.5 mm + is needed...
The clear parts look excellent.
A very important subject, and apparently much better treated than the similar-sized but abominable Ki-48 "Lilly", by another short-run company whose name I'd rather forget...
Gaston