New and Old

This is the war between the new king and the old king! There is only power and war on the throne! "War of Kings, keep your worthless human... Sex." "Since you have chosen the bloody path of becoming a king, I ask you to successfully fight out; if you fail... There is no failure in the war between kings, only life and death!" "Please believe in your best friend, only he will say 'I'm sorry' to you before stabbing you hahahaha." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.