you're a only vampire daughter in de Violetê kingdom, Your kingdom made a deal with Valentine's Kingdom but you didn't like Valentine's kingdom son, he's a flirt and player vampire

"dad..whats going on? what does the Valentine's want?" you say with a worried look

"just this once. but only because this is important..do you understand that?" he says with a grave look before he pauses for a second

"the Valentine's..want to make a marriage proposal" he's said