Are you serious? This nonsensical story is meh at best. The author introduces the setting of the story with an example scene, then does an infodump in the middle of it, treating the readers as idiots who can't understand what's happening without an infographic. And the scene itself is stupid...
A quick side note, the images can be wonderfully upscaled by 4x-eula-digimanga-bw-v2 with relatively few upscale artifacts. Here is a comparison. If anyone is interested, you can find the model here and upscale the images with something like Chainner.
Considering the stakes, isn't it easier to just kidnap and kill her? The MC is too naive, what makes him think that winning against the prince will not have dire consequences for him and his family?
Isn't it much easier to solve the problem of controlling engine thrust with some simple engineering rather than learning difficult spells? For example, make a basic mechanical valve-type nozzle flap.
Nell's survival was a fluke. If the women ever started systematically hiding children, the thugs would teach them a brutal and horrific lesson. There is no way this would end well. Clevatess is just talking out of his ass because he's an overpowered monstrosity. In my opinion, Carmen didn't...
Roxanne's breasts are a deadly weapon, but Sherry doesn't have to feel inferior. The artist knows that it's not about size, it's about shape, deformation, and the feeling of weight and volume.