His Naive Girl - Hikaru Hitachiin

Hatsume Kirigawa, the heir of the Kirigawa company, and the only one that could tell the Hitachiin Twins apart before Haruhi. She is a few months older than them, and was always the one who tried to protect them from getting hurt; kinda like their guardian angel. The oldest Twin, Hikaru, gains feelings for the naive girl. How will he gain the heart of the girl who's protected him an his brother most of their lives? How will he take it when she becomes a female host, for the boys of Ouran High who have too much time on their hands? Read to find out.