Is a Romcom Really Required to Conquer the Dungeon?

To defeat the dungeons that mysteriously emerged on Earth a century ago, students are now enrolled in academies to prepare themselves as adventurers. In this group are two competitors: the academy's most formidable troublemaker, Sainokami Kuroto, and the distinguished noble straight-A student, Mononobe Yukihime. One day, the pair ends up confined in a dungeon. . . within a chamber from which they can only escape by joining hands! ? Can these determined adversaries complete this challenging task and overcome the dungeon—! ?