Maho was worried about not being able to become a good parent and child with her shy son Kazuma. At that time, Kazuma made some friends and started to open up to Kokoro, but the price was high. Maho, her stepmother, became a good toy for Kazuma's friends, the precocious boys... For her son's sake, Maho endured being used as a sex toy, but gradually she became addicted to the pleasure of the young cock, and also addicted to her stepson's cock, transforming into a lewd stepmother.