The Japan Times article has the basic information but I’ll add a quote from an e-mail announcement put out by the Kumamoto City International Foundation (Kumamoto City International Center):
—- start quote —- ■“Hifuri-shinji” (shrine ritual) at Aso Shrine “Hifuri-shinji” is a traditional ceremony which celebrates the marriage of deities. People twirl flaming torches to celebrate. You can see beautiful loops of light. Day and Time: Sat.,21st. Mar. 18:00~20:00 Place: Aso Shrine Cost: free Access: JR Kumamoto Station (boarding) → JR Miyaji Station (kick off) *about 15 minutes on foot from the station, or please take Sanko Bus and get off “Aso Jinjya-mae” For more information: Aso Shrine (TEL: 0967-22-0064) *Japanese language only —- end quote —-