Ou-sama no Koi Asobi

From Fujoshi Bitches and Hoshikuzuu Scans: Instead of punishment, what awaits? A mature love story brought to you by Fujitani Youko. Who will emerge as the winner in this showdown? Corporate spy, Makino has slipped into the company, Prad as a temporary worker. But he is then discovered by prospective CEO, Kamina. Ever since then, he is being forced to live at Kamina's place?