Death March to the Parallel World Rhapsody, Vol. 18 (manga)

Rin would like nothing more than to end her mock battle with the prince, and thanks to a timely interruption by a yellow-skinned demon, she gets her wish! Unfortunately, this new opponent is on a completely different level, and as the clash between the hero's party and a group of high-level demons unfolds, there's no guarantee she'll make it out unscathed...