Occasional rain - kyuujiu

…He is the leader of the 108 heroes of Liangshan Marsh who appear in the Chinese novel “Water Margin.” His pen name was Gongming, and his nicknames were Huboyi and Oshiyu. He was a low-ranking clerk in Yuncheng County, Shandong Province, and was highly respected for his integrity. …

*Some of the terminology explanations that mention "Oishigure" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…中国の小説《水滸伝》に登場する梁山泊の108人の豪傑たちの統領。字は公明，綽号（しやくごう）は呼保義，及時雨。山東省鄆城（うんじよう）県の押司(下級の書記官)で，信義にあつく人望があった。…

※「及時雨」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