Reincarnated as a Sword (Light Novel) Vol. 3
DOUBLE TROUBLE

Rumors of unrest lead Fran and Teacher to the port of Seedrun, where the intrepid duo uncovers yet another large-scale slaving operation. In their quest to liberate the kidnapped children, they find themselves unexpectedly playing guardian to a pair of twins from a very special lineage--one that might just have yanked Fran and Teacher into the middle of a civil war!