The Villainess Is An SS+ Rank Adventurer, Book 2

Blood runs in the Royal Capital.

Two rival factions, the Thieves Guild and Smugglers Guild, wage a war for supremacy over the streets and sewers of the kingdom's capital. Refusing to allow lawlessness and economic collapse to threaten her quality of life, Juliette Contzen, 3rd Princess and begrudging adventurer, boldly ventures forth to rescue her kingdom from the clutches of organised crime.

But first, she needs to get past the trolls blocking the bridge.