5 year old Mark Lee and 4 year old Lee Donghyuck were best friends.They do everything and go anywhere together.One wouldn't be seen without the other as they were a package and inseparable.That was until Donghyuck's family had to move overseas and Mark was left alone with a promise to meet again. 12 years later,they do meet again.But they don't remember each other.

Donghyuck can ask Mark to lie and to break all the rules for him.Hell,he can even ask Mark to take a bullet for him and Mark's answer will always be yes.

Lee Donghyuck has trouble sleeping through the cold night.So he goes to seek warmth from his warm hyung/friend.

Pyromania - An obsessive desire to set fire on                                  things.   Mark Lee had expected the danger when he took the job of a firefighter.But that's not gonna stop him from charging into a raging fire if it means innocent lives can be saved.But what he didn't expect was meeting with the one that started the fires face to face.What's worse is that that someone is deviously good-looking and the fires were just bait to lure in the fish.And Mark is the fish.

Unknown to people,the forest hides many magical creatures.The forest is divided into four lands for the summer spirits, the spring spirits, the autumn spirits and the winter spirits.The four spirit lands lived in harmony by keeping the weather and surroundings check according to the season and not interfere with another spirit land's season. Spring spirit,Mark Lee loves spending time tending the flowers in his garden and hates it when a certain troublemaker winter spirit keeps sending