Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria manga volume 12 features story by Fujino Omori and art by Takashi Yagi, Kiyotaka Haimura, and Suzuhito Yasuda.

Of all the people Lefiya could end up lost in a forest with, it had to be her sworn rival, Bell Cranell! Together they must find their way back to the Loki Familia camp, however it seems the Evils that have plagued them on other floors of the Dungeon follow them even here, on the "safe" Floor Eighteen!