The Reprise of the Spear Hero Volume 06: The Manga Companion, Paperback/Aneko Yusagi

Motoyasu has been thrown back in time once more. Relying on his vague memories of previous go-arounds, he brings Naofumi to the slave market and tries to convince him to buy a slave. But there is a familiar face among the demi-humans for sale--who could it be?