Koji can't help but be curious about the breasts of his new mother Mio, whose father remarried. For Koji, who prefers breasts over butts, the voluptuous busty woman in front of him is just too attractive. But the woman in question is his stepmother. He doesn't want to break up the family. However, wanting to help the troubled Koji, Mio makes a shocking proposal... Her ripe, large breasts taste like honey. He can't stop ejaculating with happiness as he is buried in her jiggling, ripe busty breasts!