Is It Wrong to Try to Pick Up Girls in a Dungeon?, Vol. 19 (light novel)

As the Labyrinth City hurriedly cleans up the aftermath of the Freya Familia war game, ship returns to port. The School District is an enormous mobile institution dedicated to education and supported by the Guild. By chance, Bell infiltrates the academic district and happens upon a half-elf who greatly resembles someone he knows very well...?