sessho seki seko park seko park nine tailed fox seal stone

Sessho-seki is a stone that seals the nine-tailed fox, a youkai that is one of the three strongest youkai in Japan. "sessho-seki naruto"
strange sealing stone youka, sessho-seki 

Sealed 900 years ago by Japanese monk Abe no saimei and now crumbled to pieces at Seko Park last March, Japanese people fear the nine-tailed fox will turn their lives upside down.

In any case, the murdered Japanese prime minister's name abe coincides with the shaman Abe no saimei who sealed the youkai.