The Ideal Marriage I Choose

Haruhi Nomaguchi is 34 years old. She has been dating her boyfriend Naotaka for six years. Their relationship is nice and peaceful, but the butterflies are basically gone. Haruhi bottles up her fears and worries, chalking up to this is just how love is. But then she catches Naotaka with a young woman, giving her a smile that Haruhi used to see in the past. With her ordinary life falling apart, an ideal man named Mamiya suddenly comes in the picture. What is it that Haruhi truly wants? Peace of mind? A thrill? Or maybe something else...? (Source: MangaPlaza)