Raster Diarmuit - ラスター・ディルムット
About
The eldest son of the Duke of Diarmuid and Angelica's older brother. A genius adventurer who was promoted to A rank at the age of 17, he boasts the strongest A-rank magical abilities. He is also infamous for being an "F-rank crusher" who participates in mock battles for the E-rank exam as an examiner and crushes test-takers.