I mean we already knew that whatever changes they are subjected to won’t have a lasting impact on their bodies when they eventually return if they do the proper therapy, but 100 calories in an instant is simply brutal. I hope she’s well-fed back at the base every time she finishes work.
By the looks of it, activating it would be like exercising to the extreme all in an instant. Just imagine the shortness of breath and muscle fatigue, you can’t be too slim or too obese if you want to keep using that, because you need fat to burn but also enough energy to keep your own body functioning and capable of combat.
Needless to say, this chapter is super exciting. I think we can already guess what Big sis’s cigarette artifact is about when she said how she took back the life she had when she smoked the thing, and it’s something similar to aging regression which also crushes your own body, making it weaker. And from the looks of it a few chapters back at the base, you can’t undo it by simply returning…what tragedy…