Keeping his promise to Himari, Tetsuo visits the Takanashi household to talk to the sisters' parents. Though the twin sisters' names differ by only one letter, Hikari is a vampire, while Himari is an ordinary human. Though they argue often, they are very close. When he experiences the warmth and kindness of the family that raised these twin sisters, Tetsuo stays much longrer than he had intended.
That might have something to do 
with her vampire nature, too.
.قد يكون لذلك علاقة بكونها مصّاصة دماء أيضًا
Das könnte ebenso auf ihre
vampirische Natur zurückzuführen sein.
También podría relacionarse
a su naturaleza de vampiro.
También podría tener relación
con su naturaleza de vampiro.
Lui aussi pourrait être lié
à sa nature de vampire.
potrebbe avere a che fare
con la sua natura di vampiro.
Isso também pode ter relação 
com a natureza de vampira dela.
Может, это тоже связано
с её вампирскими особенностями.