gentle bara-manga, lighthearted beach movie scene at night, cinematic atmosphere, a very thin yet muscular bald german grandpa lying in the water is gently mutating into powerful hairy giant man with a thin waist, horns, 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