Natsuo went on a hot spring trip with his current fiance. The waitress at the inn she visited looks exactly like her ex-boyfriend. When I heard her name...it turned out to be the son I gave up for adoption 22 years ago. I left the inn once with my girlfriend's fiancé, but decided to stay for one night, saying, ``I'd like to stay here a little longer.'' There's no way she doesn't love the son she gave birth to. She lets her son run down her back, and when their skin touches, he can no longer suppress the tingling in his body due to the traces of her old lover and the warmth of her son. There is now a forbidden hurdle that must not be exceeded...