somedayaoi's manga / #One Night Stand(3)

Zinan dresses up as girl and goes on a one night stand with a guy to verify his sexuality. The next morning, Zinan leaves without giving his name or nummber, but the misses Zinan. That guy uses Zinan's sister to get back in contact with him.

A workaholic designer and a lost and poor young man cross path at a bar. They will change each other's lives by showing the other what they lack.