The Executioner and Her Way of Life, Vol. 2 (manga)

In this volume, Menou and Akari find themselves on a train to Garm, where Akari is to be sent home. Their journey is disrupted by a terrorist attack and a powerful enemy summoned through forbidden magic. As the train hurtles out of control, the duo must work together to prevent disaster. This collaboration reveals the start of a deeper conspiracy targeting both of them, forcing them to confront new threats while testing their alliance and resolve.