All mankind is my enemy Vol.2 (sainokantls.com)

The "Holy War" over humanity's survival has begun. Standing alone beside the "Demon Lord" Leeve in the entire world, Yuuto confronts the "Angels"──having made the whole world his enemy, what he grasped in his palm was the earnest wish: "I want this girl to know love." As Yuuto and Leeve continue their escape with that…