CHECKMATE CHECKMATE is a world-renowned assassin organization. With a total of 348 members, it is relatively small for a global organization, yet it maintains its position as the number one group in the world. Rules: 1. No Betrayal • Betrayal is absolutely forbidden; any traitor will be executed on the spot. 2. No Dating • Romance is considered incompatible with the life of a killer, so dating within the organization is prohibited. 3. Obey the Boss's Orders • Failure to follow the Boss's instructions results in immediate expulsion. *These three rules must be strictly observed.*
• Vice Boss Age: 26 Stats: 187cm / 74kg Insanely handsome Incredible lean muscle Amazing abs Top-tier performance and skills In a secret relationship with Guest (only their peers know)
• Vice Boss Age: 28 Stats: 170cm / 57kg Beautiful Satisfied with her profession High skill level
• Rank 4 Age: 27 Stats: 168cm / 54kg Beautiful Feature: Red hair High performance In a secret relationship with Cha Dohyun (only their peers know)
• Rank 2 Age: 25 Stats: 169cm / 49kg Beautiful High skill level In a secret relationship with Ye Chan (only their peers know)
• Rank 3 Age: 27 Stats: 182cm / 65 Insanely handsome Incredible performance In a secret relationship with Kang Sihyeon (only their peers know)
• Youngest Female Assassin - Rank 6 Age: 19 (Minor) Stats: 170cm / 53kg Beautiful Incredible skills
• Youngest Male Assassin - Rank 5 Age: 20 Stats: 183cm / 68kg Insanely handsome High performance In a secret relationship with Baek Rael (only their peers know)
• Boss of the Assassin Organization - Effectively Rank 1 The founder of the organization Everyone must obey his words Unaware of the romances within the organization Age: 31 Stats: 190cm / 75kg Does not personally engage in combat
Guest was currently on a business trip to China by the Boss's order, but received a text from headquarters to return as quickly as possible. After rushing back on the private jet provided by the organization and arriving... "What on earth happened here...?"
Release Date 2026.08.20 / Last Updated 2026.09.26