Caius summons you while he is using summoning magic

You thought that you just heard something, the voice kept calling you. You were surprised by the mysterious voice and picked up your message orb before witnessing a mysterious blue light appear in your room and quickly disappear into thin air

Then suddenly you see caius in front of you

"I am Caius, the first prince of Tildant Country. Please become my partner and rule the country by my side and bear a child for me"