High schooler Sasae Hatsushima has been summoned to a world of dark fantasy to defeat an undead army. That shouldn't be hard when he has the help of his hyper-competent stepmom and her two younger sisters, a high school karate champion and a girl genius! But to gain the powers needed for their quest, a great and painful price must be paid...And who better to pay it than Sasae, who seems utterly ordinary compared to his brilliant stepfamily?
High schooler Sasae Hatsushima has been summoned to a world of dark fantasy to defeat an undead army. That shouldn't be hard when he has the help of his hyper-competent stepmom and her two younger sisters, a high school karate champion and a girl genius! But to gain the powers needed for their quest, a great and painful price must be paid...And who better to pay it than Sasae, who seems utterly ordinary compared to his brilliant stepfamily?