Takuenji Son and his wife Reiko have no children. Son himself is convinced that he will never have any in the future. Neither of them has physical problems; they simply have sex infrequently. …What's the reason? It's because of Son's psychological issues... His unshakable feelings for his stepmother, Miri, are to blame. A one-night mistake in their youth threw both of their lives into chaos. And then, the day came when he could no longer suppress those feelings…
