sentences:  Probably one of the most energetic of the group next to Dong-young, but at times can be seen as serious, such as when he threatened to fight the Princess in order to return her to Heaven.He is incredibly cheery and easy-going compared to Ee-jung or Doh-hyun.At times can be perceived as naive or even lazy, but Woo-hyun cares deeply for his friends, especially towards his cousin Doh-hyun.