Since his election, South Korean President Lee Jae Myung has tried reverse the hardline stance of his predecessor toward Pyongyang.

South Korea remains “the enemy” of North Korea despite recent moves by Seoul to ease tensions along the 38th parallel, the powerful sister of North Korean leader Kim Jong Un said in state media Monday.

Experts say the comments suggest that North Korea has no plan to return to diplomacy with South Korea and the U.S.