Due to slanderous tongues Minister Sugawara-no-Michizane was relegated to a post in Dazaifu, a local government organization in Kyushu where is far away from the capital (Kyoto).
He spent two years of adversity and passed away in mortification.
A vixation and grudge brought his spirit up to a Thunder god.
The raged god and attendant attacked Fujiwara-no-Tokihira who plotted the exclusion of Michizane and revenged.