LlLY (GL)

Lilian Fleur Queen is half British and half Filipino. Her mom was a former member of an organization of assassins who fell in love with her dad, whom she thought was an ordinary guy. But turned out to be an interpole.
The organization got furious about what her mom did , thinking she was the mole on the organization at that time, and put an order to kill her parents, including her.
But by discovering how talented Lilian is. Both the government and the assassins change the plan
They started being obsessed on getting the kid instead. But her parents are too smooth to always slip away from them, for over six years.

But then came a young visitor, the top-class assassin who's trained under the government, who managed to find them but the info leaked to the organization of assassins on the other side.

And there the situation got shitty.