Cohabitation 101

ENFP X ISTJ — The story of a couples living together from head to toe who are not even close to each other, except for their appearance. After a long-term relationship, living together on the premise of marriage, Min-ah and Jang-chun, who start to feel deeply that dating is emotionally important, but cohabitation is about the opposite sex. Will the two of them be able to overcome real problems and even get married?