A man accused of raping his teenage relative secured a sweetheart plea deal from Manhattan District Attorney Alvin Bragg — and then went on to allegedly sexually terrorize five people in the Bronx just a month later, The Post has learned. Justin Washington, 25, was promised a plum 30-day jail sentence, along with five years of probation, after he agreed in August to plead down to a charge of coercion in his Manhattan rape case.

RELATED: Hochul’s Questioning Charges Against McDonald’s ‘Ax Man’ Is Just Lame Political Theater