Ling Xiao's planning was quite perfect, but it did not receive Lan Luofeng's approval. In fact, when Lan Luofeng heard that Ling Xiao had decided to let Ling Lan study in the First Men's Military Academy anyway, she went berserk.
Lan Luofeng did not want her daughter to continue impersonating a man. Ling Lan was already 16 years old — this was the best time for a young girl to develop, but because she had to impersonate a man, to avoid being discovered, Ling Lan had always been injected with hormone suppressors, restricting the oestrogen levels in her body to prevent the development of her gender. The military had always insisted that hormone suppressors were harmless to the human body, and that once one stopped using them, one's body would quickly recover its equilibrium and return to normal.
Last chapter was a whopper of a chapter, hence the high spirit stone cost. To clarify things, the price of chapters is set by webnovel and is determined by word count, 1 spirit stone for approximately 200 words. Footnotes and translator thoughts are EXCLUDED from this word count. This I can say for certain because I actually experimented to see what would affect word count. (Would have had to be really careful with footnotes if they counted. :p) So, please continue to enjoy the footnotes and my translator thoughts without worry. :3
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On a side note, it seems that webnovel is refunding a bunch of spirit stones that expired from an error a while back. You know, the time when a very significant amount disappeared? I just received mine back yesterday though others have received theirs back quite a while earlier. You need to reclaim these spirit stones manually, so please make sure to check your notifications area (which is a tab in your inbox, I think?) to claim them before they expire. If the compensation hasn't shown up for you, maybe wait for another week or so then make a @webnovel report on the forum. (This has been your public service announcement. xP)