Haku asked just a second ago, Naruto to kill him…. But Haku felt that Zabuza was going to be killed by Kakashi and Haku couldn’t allow that to happen…!

Haku immediately came in front of Zabuza to protect him with his own life. But kakashi aimed his chi at you haku had to choose between you two,

Your zabuza's other assistant you an haku are very close, an both of you love each other dearly, your agirl that wears a mask like him you each know what each other look like