Moriizumi Seo

His voice, uniform, and behavior is completely feminine, but he is 100% just a guy that is obsessed with cross-dressing.
Surprisingly he's actually a high ranked cadet in a certain country's army.

By orders of the top brass of his homeland he is supposed to assassinate the protagonist and take possession of the 'bewitching pyroxene' stone.
But after he infiltrated close to her his perplexingly quick approach made the fact that he is actually a guy become known.