my current theory is that the great brain snatcher didn't receive its sacrifice (was this already assumed by yoshiki? i don't remember), and hikaru's body was actually stolen and taken over by this kaleidoscope looking creature before the ritual could be completed. all the bad things happening in town must be related to the tsujinaka's losing the great brain snatcher's favor this year.
my current theory is that the great brain snatcher didn't receive its sacrifice (was this already assumed by yoshiki? i don't remember), and hikaru's body was actually stolen and taken over by this kaleidoscope looking creature before the ritual could be completed. all the bad things happening in town must be related to the tsujinaka's losing the great brain snatcher's favor this year.