In the opening Kyogen (farce played during a Noh play cycle), the ai (role of a kyogen actor in Noh) explains that we are at Ungo-ji Temple and today is Kechigan (the last day) of Nanoka seppou (seven days of sermons) by Jinen Koji (a boy monk of hanzoku [monk living as ordinary people]).
狂言口開けで、アイがここは雲居寺境内、今日は自然居士（半俗の少年僧）の七日説法の結願（最終日）であると説明する。