I Got a Dragon Son, and a Northern Grand Duke Husband Came as a Bonus

"Randolph Ruslec. If you obediently agree to become my father, there will be no further bloodshed!" Randolph Ruslec has been chosen as a father by Leopold Winterwood, a baby dragon who crashed his younger sister's engagement party. As Randolph gradually falls under the spell of the stubborn, headstrong, yet adorable baby dragon, a problem arises. "How weak." "Say that again." Leo's other father, Beowulf Winterwood, and Randolph Ruslec are famous rivals since their academy days, their relationship soured by a past incident! Randolph firmly wants to refuse anything that involves getting entangled with Beowulf, but... "If I can't go with Daddy, Leo won't go!" Leo wants to be with Randol...