I Reincarnated as a Girl, and I Really Don't Want to Go to War

Wu, an exemplary young person of the new era, was playing a certain galactic strategy simulator at home. After installing an anime mod, he managed to blow up his computer, and himself along with it, turning into a little blonde, blue-eyed cutie who looks like she'd cry for ages if you punched her.

A war's about to break out? I have to go fight, too? No, no way!!