Demon Lord 2099, Vol. 4 (light novel)

PAST AND FUTURE CLASH IN THE PRESENTThe year is 2149 FE, and humanity’s last bastion, the city of Washington, is under attack by the New Demon Lord Army. The only way to prevent this involves sending Matoi, the strongest magiroid of the era, fifty years into the past to defeat the Demon Lord Veltol. Meanwhile, in 2099 FE, Veltol teams up with the great detective Emi Chabatake and gets embroiled in several mysterious cases—one of which includes a strange robot girl from the future who wants him dead. The fate of the world rests on Veltol’s shoulders in this time-bending caper!