The palace of the nightingale

...A story about a man who peeks into rooms that he shouldn't see and misses out on the good fortune he's been given. It's also called "The Nightingale's Palace." The nightingale he saved appears as a woman, treats him to a feast in a house in the fields, and shows him 12 rooms.

*Some of the terminology that refers to "Uguisu no Dairi" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…見てはならない座敷をのぞき見て，授かった幸運を逃がす男の話。〈鶯（うぐいす）の内裏〉とも呼ばれる。助けたウグイスが女の姿になって現れ，野中の一軒家で饗応して12の座敷を見せる。…

※「鶯の内裏」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報