Tensei Maou no Juliet

“If I connect with her, the world will perish. Nevertheless, I like her –” Haruto, a magician of commoner origin from the magic academy, was confessed to by the hostile country princess, Iris, and they decided to go out!? However, she carries half the body of the Demon King, and when she is tied together with Haruto, they’ll be an existence that will bring the world to ruin “Those shackles, and curse, I’ll destroy and shatter it for her sake!”