Hana to Gin

Overview

Former police officer Gin Sagata resigned from the police force after discovering it didn't suit him, and he now lives a life of his own as a private detective. One day, in front of the building that doubles as his home and detective agency, he is approached by Assistant Inspector Hanai of the central government office, whom he secretly admired when he was a police officer in his jurisdiction! When Gin invites Hanai to tea, Hanai tells him, "I quit the police force, too.” Revealing to Gin that he now works as a yakuza! Upon hearing this, Gin unintentionally confesses, “I loved you!!!"...!? A heartfelt romantic comedy set in a retro townscape, featuring a former police officer and a former police inspector turned yakuza!!

Source: AniList