Yusuke Kamiji

Momoko Uchida lives in an expensive apartment in Tokyo. She is a manga writer. Momoko Uchida is in her second marriage and has a son attending a university. Her friend Mizuki Tomizawa is the same age her and lives in the same apartment building. One day, a newlywed couple, including wife Rumi Kamoi, move into the same apartment building. The newlywed husband is Momoko Uchida's ex-husband. They divorced 20 years ago.

Fujisaki Aya is a young college student whose family is 150 million yen in debt after her father's corporation went bankrupt. To earn the money, she enters the Hostess Grand Prix.

Produced by Hitoshi Matsumoto, Documental pits ten comedians against each other. The objective is to make each other laugh in a closed room. Each contestant brings a one million yen participation fee. The last person to stay in the room without laughing wins. The winner is awarded a 10 million yen prize and bragging rights as the funniest comedian.