The daily life of authors Old Xian of 19 Days & Tan Jiu of Their Story, along with their studio head Moss, as they run their advertising firm.

Series also includes various advertisement concepts and a few side-stories, as well as guest appearances from the authors' other series!

The cute and funny relationship between a boy and his best friend.

«One Day» — strips from Old Xian about her characters from the collection manhua of «19 Days».