At the age of eight Ijin Yu lost his parents in a plane crash and became stranded in a foreign land where he was forced to become a child mercenary to survive. Ten years later he returns to Korea to reunite with his grandfather and sister Shin Yuna and tries to live as an ordinary high school student while his deadly skills keep surfacing. Written by YC, illustrated by Rakyeon. Korean manhwa. Ongoing.

Read Mercenary Enrollment manhwa in English, updated regularly. Also known as: 입학용병 · Ipak Yongbyeong · Teenage Mercenary