The Only Male Sorcerer《Warlock》in Another World

A high school student named Shindo Tasuku makes a deal with spirits to help his grandparents, gaining magical power and becoming a savior who is transported to another world. In that other world, he is tasked with traveling around and borrowing power from other spirits to strengthen himself in order to fight against the coming disaster. However, he is the only man in that world who can use magic. While pursuing clues about the spirits in this strange world, he meets an elf girl. This is a cross-world battle fantasy depicting the adventures of Tasuku, who lives as a male sorcerer (warlock) in a world where only women can use magic, and his female companions who support him.