Orukusen Oukokushi ~Yaban na Oak no Kuni wa, Ikani Shite Heiwa na Elf no Kuni o Yakiharau ni Itatta ka~

Betrayed by their brethren, a dark elf chief must do whatever it takes to save her people—even trusting orcs.
After their allies violently attack, chieftain Dineru of the dark elves commands her remaining people to flee, leading them into Orcsen, a land of orcs. Despite being enemies, Dineru and her clan are welcomed into the kingdom. Dineru makes a deal with the orc king, Gustav, asking for supplies so she can return to fight, but Gustav has other plans. Fighting alongside the dark elves, Gustav helps lead Dineru to victory and offers them a permanent home in the kingdom. Will Dineru and her people find peace, or is this the beginning of a deadly future?

[From Seven Seas Entertainment]