Inugamihime ni Kuchizuke犬神姫にくちづけ ; A Kiss to the Dog Spirit Princess ; Inugami Hime ni Kuchizuke ; Inugamihime (Wanko) ni Kuchizuke ; Wanko ni Kuchizuke ; Why Not Be My Dog?

From Antisense Scanslations: Kazura, an office lady, only ever gets teased by her boss, Inukai. Her job? She transforms into a dog spirit to perform exorcists. However, there's one small problem. In order to do her work as a dog spirit, she has to be kissed by the boss, or she can't transform. Now then, let's begin this inhuman romance! -------- From MangaHelpers: Kazura has an unusual job in a department that handles clearing out demons and spirits. Her teammates include a super-otaku, a former delinquent with fire powers, a drunken magic sword wielder, a British exorcist and a powerful Buddhist monk. Kazura's role is not so glamorous, though. She forms a team with her manager, as a vessel for the dog spirits he controls. When he kisses her, she is possessed by the powerful dog spirit Bentengou for about five minutes, after which she usually wakes up to herself doing something embarassing, like licking her "master's" face! [tethysdust]