Joou Heika No Isekai Senryaku

マルーク王国、シュトラウト公国を瞬く間に殲滅せしめた蟲の女王・グレビレア。
彼女は、シュトラウト公国の湾岸部にちょっかいを出してくる賊に興味を示す。彼等の正体は、公国近海で略奪行為を行う女海賊・イザベラとその一味であった。海賊たちは「アトランティカ」という共同体を成しており、その戦力は馬鹿にはできない。
グレビレアはイザベラと結託し、海上戦力の強化をはかる。これは、すみやかに第三の目標「フランツ教皇国」を攻め入るための布石だーー。

Our protagonist is a college student who enjoys playing as the evil-aligned faction Arachnea in her favorite real-time strategy game. One day, she finds herself in a world similar to the one in the game; additionally, her body is now that of a fourteen-year-old girl. While things are a bit different from how they were in the game, one element has remained the same: she is the leader of the Arachnea. The insects under her control, collectively known as the Swarm, praise her and implore her to lead them to victory. In order to survive, she raises her Swarm and forms friendly relations with the elves of the neighboring forest. But after a slaver traveling through the forest murders one of her Swarm and the nearby kingdom’s knights burn down the elven village and massacre its people, she prepares to launch her counterattacks in the name of revenge. However, revenge is merely a pretense for attacking the countries of this world. Her command is masterful and severe, as one who has played the game in real life…