So from what i have gatherd from spoilers

So from what i have gatherd from spoilers and novel info. This is all way dumber than any story i have ever read..
Spoilers Below..
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Firstly her parents married Fl off to protect her from ppl who would want to use her if they found out she had already awakend (many already wana use her)..
The reason for all of this is because..her father is an Archmage aka strongest mage with power to influence life of things around him (plants, and other living things, hench why the parents look so young).
As an Archmage the chance his kid also awakens as one is strong, hence why he married a none mage.. to prevent this and lower the threat.. but the chance is still there hence the mages at the tower inflicted his wife with a weak body so she couldnt have a second child (fl's existence is already a threat to the towers powerbalance as if she awakens as a Archmage then the familys influence would overpower the tower's power)

Ml is targeted because he is young, strong, stuborn and is rising in rank to fast for the liking of an Admeral and other higher ups in the Navy. But they are unable to attack him directly as he is to good at his job.

Fl is being targeted by many as she is a chance to get conected to the Archmage aka her father, + her mother is a high ranking nobel from a wery prestige family. Everyone wants her for power.
She is also targeted because she is the child of an Archmage and has a chnace to awaken magicpowers on the same lvl as her father, powerhungry ppl want her for the sake of controling her and hence having that power for themself.

Finaly the reason Fl's life is being targeted is because... She Turned Down The First Prince...SO NOW HE WANTS HER DEAD...so dumb

First Prince has killed two of his brothers, targeted his father and sisters life also... and is a psychopath..in general

First prince helped FL's parents set up the Island and have FL and Ml married.. and the reason he did this..is .. two targets in one location.. aka make it easier for the assasins.

The second reason the first prince had Fl and Ml marry is because, fl was trageted as a marrige parter by nobels for power and influence but with her married the nobels will try to get rid of her as the power is now together is an Op man. SO not only will she be targeted by the nobels and the prince but also the ppl who want to make Ml suffer. And in turne Ml is now targeted by the Admiral and higher ups and by the nobels aming for Fl.

In Short... You turned me down so now i forced you to marry a guy, now your enemies and his enemies and i will get rid of you both. Plot..