My Home My Darling!

From Yaoi Is Life:

A new salesman at a real estate company, Kazuhiro, loses his contract to someone from another company who came butting in! What’s up with that guy?! Tall, wears expensive suits, has a composed expression, and looks like a playboy. But can do his job well. And Kazuhiro’s company is about to have a joint project with that guy, Sakimoto’s, company?!

Includes the story Fugainai Koi no Katachi.