Tales on the karmic retribution of good and evil from the oldest collection of Buddhist legends in Japan. Kyokai lived about 1200 years ago and was a contemporary of Saicho and Kukai, founders of Japanese Tendai and Shingon, respectively.
A. Kitada, and F. Schäfer. Kommunikationswissenschaft Im Internationalen Vergleich: Transnationale Perspektiven, Springer Fachmedien Wiesbaden, Wiesbaden, (2017)