Aida Asuka, a promiscuous stepmother who ravages her son's morning erection, is featured in the SODx adult novel adaptation series SDMU-934.

While her husband was away on a business trip abroad, Koichi, an international student, lived with his stepmother, Aida Asuka. One day, she caught sight of her sleeping son's erect penis, and after being separated from her husband for so long, she couldn't resist any longer. She began to frantically suck on the hard penis before her, and the two of them indulged in an unstoppable life of lust at home!