I'll admit that her planning skills are awesome.
But he should still just slit her throat while she's frozen. "For the greater good" is pretty much always an excuse to let you get away with doing horrid things.
@cfilorvyls@SlingToken
Considering the fact that this manga specifically namedropped minecraft in chapter 6 (page 38) it's not too farfetched to call it a direct reference.