"My name is Meng Xinqing, you can call me Xiaoqing."
…
"From today on, you are my daughter." "You are the most important person to me." "Sister, I like you." "Xiaoqing, do you know? You are the only one in my life." "Meng Xinqing, why didn't you wait for me."
…
These are very common words, but when the protagonists in Hunters say them, everything changes.
But the ultimate boss is not the protagonists in Hunter.
The real boss is...
Lucifer the great devil.