Chisato Shoda had her dream trip to Hawaii canceled due to a global pandemic, leaving her deeply heartbroken. Unable to fully accept it, she tries to recreate the Hawaiian atmosphere at home with a bikini and suntan oil. At that moment, her son walks into the room. Her big tits spilling out of her bikini and her mature, sensual body immediately catch his eye. Seeing his mother in a bikini for the first time, he is struck speechless with shock and arousal. As his excitement reaches its peak, his hands begin to wander to forbidden places, driving the story into deeper, taboo territory.