Принадлежащий:Rui is 30 years old but still single. Give up the man, buy an apartment and live with a cat! The staff member of the real estate agency who came to visit with great interest is our friend Ren whom we met again after nine years! In fact, Rui made a promise to her back then, If we are both single until the age of 30, we will get married. I thought Ren had forgotten it, but...!