To Be Attached

※ This work is set in a fictional country, and all settings and content, including characters, positions, and events in the work, are fictional. I fell asleep and woke up to a battlefield. Woo-kyung, an ordinary office worker, was instantly possessed by Lee Si-yeon, a general of Cheongpyeong, and wielded his sword only to survive. He endured for 10 years. He beheaded the enemy general and became a war hero, but - "Lee Si-yeon is appointed as the Crown Prince's instructor." Instead of returning to Korea, he was ordered to become the teacher of the princes without enjoying peace. It's too much to ask of a possessed person who barely escaped illiteracy, but he can't dare to complain. In ...