No man may seduce and corrupt an unmarried girl, or else he risks five years in prison.

750.532 Seduction; punishment. Sec. 532. Punishment. Any man who shall seduce and debauch any unmarried woman shall be guilty of a felony, punishable by imprisonment in the state prison not more than 5 years or by fine of not more than 2,500 dollars; but no prosecution shall be commenced under this section after 1 year…

Adultery is illegal, but can only be punished upon a complaint by the affected husband or wife.

750.30 Adultery; punishment. Sec. 30. Punishment. Any person who shall commit adultery shall be guilty of a felony; and when the crime is committed between a married woman and a man who is unmarried, the man shall be guilty of adultery, and liable to the same punishment. History: 1931, Act 328, Eff. Sept. 18, 1931…