In fact, there is no incest in the game, since they are absolutely not related by blood! But, it will be like "yes" 😊
They are having sexual relationships? They are considered family? Then it is incest.
Family isn't limited to blood. Marriage and adoption are things...
Your step-mother shares no blood line with you, still she is considered your mom, so it would count as incest.
legally, no. Spiritually, mb yes)
