Idol actor：Kasumi Suzumiya Natsuki Tamura
Director：Updating
Categories：Stool,Anus,Defecation,Censored
Area：Japan
Year：2014
Introduction：Otsuka Kyubin is an abbreviation of Obin, a medium-sized transportation company. A female employee is alone in an office where no one is on holidays. Three defecation stupidities that never show on weekdays.