Ryuuji Suguro

Ryuuji Suguro, nicknamed Bon, is a 15-year-old Exwire, Rin's rival, and a prodigy in their class. Raised at the Cursed Temple destroyed by Satan, he takes his training seriously and aims to become powerful enough to defeat Satan and rebuild the temple. He is pursuing Meister qualifications in both Aria and Dragoon and excels at memorization, cleaning, and Zen meditation.