Natsuha, a fiery PE teacher at an all-boy’s high school, gets transported to another world along with her students. She must save her students after they get captured by monsters, but if she’s defeated, she’ll end up having to have sex with them…!?

Refia, a young female Dark Elf knight, lost a battle to obtain supremacy of darkness. By the curse of the Black Dragon, Refia lost all powers to perform her Special Attacks. Refia, with her twin attendants, barge into the dens of evil with her sword to regain her glory. Fight…