Grand Sun

Japan's law enforcement has worsen, and bodyguards are a necessity in the new era. Asahi is employed as a bodyguard for Kisaragi Sakuya, the talented heir of a rich family. Asahi was brought up in downtown Tokyo, and she is very compassionate. But will she always be able to stand strong against the utterly cold Sakuya? This is a powerful, shoujo, bodyguard romance.

(Source: Manga Abyss)