[1][2][3] When Hodong, a child of Daemusin of Goguryeo, the third king of Goguryeo went Okjeo for hunting, he met Choi Ri who was the king of Nakrang Kingdom and decided to welcome his daughter Princess of Nakrang as a wife of Hodong.
[4] Daemusin of Goguryeo was planning to attack Nakrang Kingdom, and asked Hodong to destroy the drum and Oliphant that automatically notify people when enemy attack the country.
Hodong send a messenger and ask Princess of Nakrang to destroy the drum and Oliphant.
Choi Ri could not be prepared for that attack because the drum and Oliphant were destroyed and he could not know Goguryeo’s invasion.
At that time, Choi Ri killed Princess of Nakrang who destroyed the drum and Oliphant.