The "Guard Wing" of the Lighting forwards, Erio is a Modern Belka Knight and a B-Ranked Mage. His callsign is Lightning 3. Erio was a young boy who taken in by Fate when he was younger, though he was officially adopted by Lindy Harlaown and was raised at the TSAB protection facility until he was eight. Among the newcomers, Erio is the fastest. Taking advantage of the compatibility between the Mid-Childa and Modern Belka systems, Erio uses a few Mid-Childa spells, including Fate's Sonic Move. Erio also shows signs of romantic interest in Caro.
Source from Wikipeida