Our Last Crusade Or The Rise Of A New World Vol. 4 (Light Novel)

A war has raged for centuries between the scientifically advanced Empire and the Nebulis Sovereignty – the Paradise for Witches, and there is no end in sight. However, history will be changed when Iska, the "Successor of Black Steel" from the Empire, has a chance encounter with Aliceliese, the "Ice Calamity Witch" from Nebulis. Though sworn enemies, they both want to end the war for their own personal reasons. Now, their ideals will clash as they try to change the world in their own special way in this fantasy romance light novel by Kei Sazane and Ao Nekonabe.
In Vol. 4, Iska’s unit finally get a much-needed break after a set of life-threatening missions and travel to a resort where they can relax and soak up the sun. Everything is going according to plan until a witch who reminds Iska of Alice suddenly appears and demands that he accompany her to Nebulis. Meanwhile, Alice is investigating why her sister has been spying on Iska and makes a surprising discovery when secrets are revealed.
Notice: This light novel is written in Japanese.