Survival Guide For The Prince

Qin Xuan, reincarnated from the 21st century into an alternate dynasty, dreamed of turning fifteen and leaving the palace to live as a carefree prince.   In the martial-centric Yan Jing Dynasty, he was the only one among 14 royal siblings unable to practice martial arts.
Mocked for abandoning the sword manual gifted by his betrothed, the martial maiden, Qin Xuan's fortunes change when he awakens a mysterious "System！"  
This unique power allows his martial cultivation to grow as he masters arts like music, chess, and calligraphy. Can the weakest prince defy expectations and rise to power?