The Prince of the Yu Clan and the Demon Lord of the Demon Clan concealed their identities from each other and joined a human organization. Due to an accident, the two took off their organization disguises and met each other, becoming friends and partners. However, they are more than hidden killers after all. They both have more important identities and responsibilities, and the opposition between the Yu Clan and the Demon Clan also makes their relationship more difficult. After the identity showdown, whether they are willing to sacrifice themselves for each other or cut off the relationship, it is a disaster for them...
Intention: optimistic