The cable channel tvN's Friday Saturday drama "Misaeng" finally ended, and the drama's OST is going to come out in a special photo book. In addition to the music from the drama, the special photo book is going to have the unpublished photos from the drama, webtoon posters, and pictures with lines from the drama. The photo book will also have autographs of the actors and surprise letters. In related news, the cable channel tvN's Friday Saturday drama "Misaeng" tells a story of an entry-level businessman Jang Geu Rae, who is played by idol star-turned actor Im Si Wan of ZE:A, and his colleagues from the company. Im Si Wan used to be a ba duk student and, upon failing to debut as a professional ba duk player, starts to work at a big corporate company as a contracted employee.