Tezuka Osamu manga
From Shinmakoku Scanlations : Koga Masataka and Terajima Ryuji are homicide detectives working for the police department. Behind the stoic facade, Koga is suffering from the pain of his past. When Terajima blatantly opens his heart to him, Koga is left confused. While behind closed doors they are more than "office partners", Koga is still afraid to let himself believe that he could be what Terajima wants him to be. It's a love story between a Tough man and a Smart man trying to understand each other as they finish one murder investigation after another.
From SuBLime: Oku-san is a normal office worker who has one joy in life, to fantasize about his local deliveryman, Sudo-kun. To feed his fantasies and his desire to see Sudo-kun, Oku-san habitually shops online filling his room with useless and sometimes very erotic things. It’s all pretty harmless until one day his neighbor Yokoshima finds out about his secret hobby. Caught between two hot guys -- at least in his mind -- will Oku-san be able to fantasize his way out of this one?
Inui Takeshi is the owner of a restaurant in trouble! He and his cute younger brother Yasutomo are trying to make a living, but business is just too slow. When regular customer and ex-host Ookami Kyousuke suggests an all-male version of a maid cafe, the brothers reluctantly agree to the idea. Ookami and fellow host Sannoumaru Miyabi move in with the Inui's and begin the adventures of Cafe Relish!
From Liquid Passion : Katase works at a workshop which specializes in the traditional, intricate art of yuzen dyeing. He doesn’t get along well with others and deliberately keeps people at a distance. This changes when he’s told to allow a friendly young man in training to stay at his place.