From Aerandria Scans

Fujieda Memori works his butt out every day as a competent bodyguard for his brother's company. One day, a man called Yuuki Shin appears and says that he's interested in becoming a bodyguard. To test his ability, Memori was to work together with him. Memori was about to trust Yuuki, but then he found out about Yuuki's real identity...!?