Konya Sukiyaki da yo

Aiko is a freelance interior designer who wants to marry her current boyfriend, but envisions herself as far from the ideal wife, due to her being bad at household chores. Meanwhile, Tomoko is a picture book illustrator that is good at housework, but societal notions of marriage and romance don't hit home for her. They mutually decide that, until they find their perfect marriage partner, that they should get married with each other.

(Source: Shinchosha, translated)