憧れの刑事部に配属されたら、上司が鬼に憑かれてました

When she was assigned to her dream job in the Criminal Investigation Division, she found out her boss was possessed by a demon. A newbie and her older, listless (?) boss team up to handle mysterious cases!? Asusa Iwatsuki, whose dream was to become a detective, was assigned to the mysterious "Special Investigations Unit."And what's more, her only boss is apparently "possessed by a demon"?! A full-scale occult mystery set in Kyoto begins! (Source: Kadokawa, translated)