natural enemy

canopy, often on a canopy bed / dome (architectural element)

switching on and off; flashing; blinking; flickering

to switch on and off; flash; blink; flicker

insanity

nature, innate disposition, inborn quality

Alternative spelling of 転落

Alternative spelling of 転落

a fall, falling down / a slide down to a lower rank / a personal decline, a descent into personal destruction

tumble, fall down / slide down in a ranking / descend into personal decline