A Man Who Defies the World of BL(絶対BLになる世界vs絶対BLになりたくない男)

One day, the protagonist realizes that he lives inside a "world of BL." As he likes girls, he fights back against any hot guys that might draw near, but this is a "world of BL"... he's still assailed with the sight of people in lovey-dovey situations one after another!