Murder is too good. I think I'd start off with torturing their children to death with red hot needle...
Through the harsh and miserable toil, there's even Sakuya who would offer "Please Eat" to Remirya.
But as long as Remirya is taken as "hostage", the Sakuyas can no longer do anything recklessly.
Sakuya is worked without rest in two shifts, day and night despite still being baby yukkuri. This has chipped on their mind and body.
"Giving punishment to the dirty yukkuri!
Reimyu is sorry for being just!"
With those contracting Anti-yukkuritis and those who died overworked, a lot of Sakuya became victim. But the clan have safely passed the winter.