A Giantess in Stress

A superhero stumbles upon a damsel in stress tied up, with the supervillain nowhere to be found. She begs him to release her but something feels off. And yet the way she's looking at him, coaxing him closer, he can't resist. The poisonous scent of her pheromones begins to get into his head as she tempts him. Those delicious armpits making him drop his guard and his pants, she offers to let him fuck her in exchange for setting her free. He knows he shouldn't. He knows something is very wrong and yet he begins to obey. The all encompassing smell of her feet and armpits as he fucks her numbs his mind. Once unshackled, she commands him to use his own shrinking superpower on himself. He knows this will spell his doom yet her control over him is insurmountable. Now that he's tiny, he's fully at her mercy. She flexes her power by rubbing him all over those sweet pungent armpits and feet that seduced him into submission, covering them and him in her sticky, delicious spit...