Read manga: Happy Ending

manga
Other name: 해피엔딩
Artists: LEE Kyung Ha
Status: ongoing
Summary:

A rich, spoiled, successful, handsome man finds himself looking for something new in his life. Taking advice from his past lover, he seeks a roomate, an "easy relationship". However, instead of a glamorous, sexy, cute female... a MALE mistakenly shows up at his door..?