Park Hyung Sik plays the role of a cop named Jung Yi Hyun, he is the ultimate walking green flag for sure. Yi Hyun is handsome, strong, loving, and most importantly a perfect definition of loyalty.
Ha-Ru played by Rowoon is gives out ultimate green-flag energy. Ha-Ru means "Day" in Korean and Ha-Ru sacrifices his futures days for his ladylove.
There is no one who can enjoy the whale talk like Lee Jun Ho played by Kang Tae Ho. Lee Jun Ho wanted to be by Woo-Young-Woo's side and he did till the end. He is "THE HUGGING CHAIR" for Woo Young Woo.
Leaving aside protecting himself from the water splash, Nam- Joo-Hyuk's character supported Kim Bok Joo till the very end.
Park Hyung-Sik iconic character An-Min Hyuk has been loved by fans for ages. An-Min Hyuk never leaves a chance to woo his lady love let it be the ending scene or the entry scene, there is no doubt in his love. It is Do-Bong-Soon over anyone else for him.