I Shall Live As a Prince
Lee Hyun Ho was an unemployed Korean graduate who fell asleep one night and woke up as Grand Prince Jinseong in 15th century Joseon. The problem is his older brother is Yeonsangun, one of the most notoriously cruel kings in Korean history. He was not expecting to be comfortable. He was not expecting to have to save an entire dynasty either. Korean manhwa by Kusa. Ongoing.
Read I Shall Live As a Prince manhwa in English, updated regularly. Also known as: 대군으로 살어리랏다 · Daeguno-ro Sareorirattda · Living as a Grand Prince · Grand Prince