Huh. It almost looks like the first page is quite a bit older than the second. The lines aren't as polished, the shading is weaker. Second page has bolder lines, more detail to the character. Swapping the two pages back and forth quickly is pretty interesting.
If nothing else I could see her ability being useful for creating hybrid or variant seeds. Both are possible in our world as it stands but getting the resulting creations to successfully grow is sometimes difficult. Could see her being asked to make multiples of the harder to cultivate seeds...
...is there anything stopping Yuuna from possessing the body of her original? The one her "father" had in stasis? Didn't the "real" Yuuna pass on already?
This relationship between the dragons makes a weird kind of sense.
I'd imagine one of the worst things godlike immortal beings have to deal with is sheer boredom. So randomly pranking/attacking each other to stave that off doesn't seem that odd. The line between being a friend or enemy would be...