Ossan's Love

Haruta Soichi is a 33-years-old single man who isn't popular with women. He works at a real estate office and lives with his parents. However, one day, his mother walks away from him and he has to live independently. Soichi doesn't know basic things such as cooking or washing his clothes. He then decides to live with Maki Ryota, a coworker who is good at housekeeping. One day, Ryota and Kurosawa Musashi, a gay coworker, both confess their feelings to Soichi. (Source: MyDramaList)