Yuuji (유우지)

After centuries of war, the Avian and Serpent races agree to a tentative peace and joint training of cadets. Instructor Sahwahyun, an admired Avian war hero, maintains a strict composure that keeps all students at bay—except Yahyul, an unassuming Serpent cadet harboring hidden depths beneath his stoic shell. As their paths intertwine through subtle encounters, a halting bond…

Jeong Taeui has always lived in the shadow of his genius twin brother, but he’s never been unhappy with his ordinary life. When his uncle shows up at his doorstep with a dangerous job offer disguised as a once-in-a-lifetime opportunity, Taeui is skeptical, but he reluctantly agrees to work as an agent for half a year. Despite his initial qualms, he quickly adjusts to his new…