Like "Novel's Extra" Would be great too if the mc is female, since I rarely find cool stories with female mc(Only in romance). Tho it's only optional. Idrc about the MC's gender.
Can't think of any female lead futuristic scifi offhand. Unless you want to buy some books.. For male MCs: The Legendary Mechanic, 40 Millenniums of Cultivation, Swallowed Star.