Solo, alone, Dark bara-manga, lighthearted beach movie scene at night, red blood moon in background ,cinematic atmosphere, a very thin yet muscular bald german grandpa lying in the water is gently mutating into powerful hairy horned giant demon man with a thin waist, horns, horned, demon,long nails,hairy chest, gigantic neck, doublechin, old tanned bald super muscular athletic granddad morphing into giant, water dripping down old man's body, muscles swelling,powerup,closeup,shy, cute,,portrait shot closeup, stormy black sky,