Growth, evolution, battle of wits and courage, falling in love.
The heroine, human. The male protagonist, Zerg.
Pure LoveThe tree of life gives birth to a child.
The male and female protagonists are both pure, the female protagonist hates men (human race), and the male protagonist hates women (zerg race). The male protagonist loves the female protagonist very much, and the female protagonist loves the male protagonist very much... Becoming strong for love.
Very pretty, but a bit short [Adoration]