Don't Leave My Heart Vacant

Everything seems perfectly normal, nothing has changed over three thousand years, yet all of sudden, Alya, the Kaiserin Consort whose regal name is Anastasia of the famous Koschei the Deathless, tells her desire about having a complete family, which her husband has never allow it to happen. Will Koschei the Deathless refuse this desire, or will he agree to have one with Alya?