The "길가메시 서사시" (Epic of Gilgamesh) is one of the oldest known works of literature, originating from ancient Mesopotamia. It dates back to around 2100 BCE and is written in Akkadian on clay tablets. The epic follows the adventures of Gilgamesh, the king of Uruk, and his friend Enkidu, exploring themes of friendship, mortality, and the quest for immortality. The narrative is divided into several tablets, detailing Gilgamesh's heroic feats, his deep bond with Enkidu, and his journey to find the secret of eternal life after Enkidu's death. The epic has significant cultural and historical importance, influencing later literature and providing insights into ancient Sumerian beliefs and values.