The Cold-Blooded Young Prince Who Traveled Through Uniforms and Was a Holy Warrior!

Can there be thunder on a sunny day? Can thunder travel through time? Why did the emperors of three countries fall for a little refugee? What kind of sensation will there be when hypnosis meets killing? Her father died in the war. Will she still fall in love with him on the battlefield? What about him who started the war? Or choose him who is gentle and considerate? When thousands of years have passed and her appearance has changed, will he still be able to find her?