Mushoku Tensei: Roxy Gets Serious Volume 4

Roxy continues her journey through the Central Continent with a quirky troubadour by her side, but confronts a harsh reality while saving a family from bandits: it's sometimes necessary to kill to save others. Can Roxy overcome this crisis of confidence? And if she does make it all the way to the Kingdom of Asura, what will her old magic teacher think of her?