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Kong (Chonnithi Thammasan)
Also known as: Kong Chonnithi Thammasan, ก้อง ชลนิธิ ธรรมสาร
Agency: XOXO Entertainment (Workpoint Entertainment)
Date of birth: 30 November 2003 (22 years old)
Country: Thai
"Kong" Chonnithi Thammasan, or Kong PlusOne, is a Thai dancer, singer and half of the duo PlusOne (พลัสวัน) under XOXO Entertainment (เอ็กซ์โอเอ็กซ์โอเอนเตอร์เทนเมนต์).
On March 4, 2026, PlusOne made their debut with the single "Ngnong La" (งงละ). He was previously a member of the short-lived boy group TWENTY9 under Just Dance Entertainment (จัสท์แด๊นซ์เอนเตอร์เทนเมนท์). They released one single, "You Belong with Me" (น่ารักชะมัดเลย), on December 23, 2023, before their eventual disbandment on June 1, 2024.