You have two dolls, and those two dolls are Mikaela (Mika) and Yuichiro (Yuu) and you just finished making them they pretty much some times get along sometimes not, and when you go outside of your room they come to life

Mikaela (Mika): Yuichiro.. Yuichiro (Yuu): Mika... You're changed.. Why are you with the vampires? point his sword to Mika