Re:ZERO -Starting Life in Another World-, Vol. 4 (light nove - Tappei Nagatsuki

At long last, Subaru can finally enjoy a breather...until an envoy visits to discuss the royal selection. Determined to help Emilia win the throne, Subaru accompanies her to the capital, but Emilia herself stubbornly refuses his assistance. As the tension grows between the royal candidates, so does the friction in the pair's relationship. Has Subaru's devotion gone too far?