When the 20-year-old Killua no longer refuses to become the head of the Hakka family who beats the enemy,
When the 20-year-old Killua traveled to "Zhan, Crimson Eyes",
When 20-year-old Killua meets 25-year-old Esdeath,
The story of the killer and the general has just begun
(This article basically does not have a normal positive and uplifting outlook. After all, one buried 400,000 prisoners alive, and the other grew up in an elite family of assassins.)
Thunder point: sister-brother relationship, the main world is in "Zhu, Crimson Eyes", Killua will not join the NINGHT RAID, and chooses to stand aside most of the time