Zhou Xinyu (; born May 25, 2002), known mononymously as Xinyu, is a Chinese singer. Since 2023, she is a member of South Korean multinational girl group TripleS and its sub-units Lovelution, Visionary Vision and Sun.
Career
2016-2022: Trainee period, Girls Planet 999 and Great Dance Crew Xinyu was a trainee under YH Entertainment. In August 2021, she participated in the reality competition program Girls Planet 999 as a trainee in Group C; she ultimately ranked seventh in the group and was unable to make it into the debut group. During the program, she participated in the third performance's limited unit "7 Love Minutes" and performed the single "U+Me=Love". Girls Planet 999 RankingsPreliminary Rating (Theme Song Ranking)C23Episode 5 (First Ranking Ceremony)C14Episode 8 (Second Ranking Ceremony)C13Episode 9 (Mid-term Ranking)C07Episode 11 (Third Ranking Ceremony)C07Episode 12 (Final Ranking) In 2022, she participated in the first season of Youku's dance competition reality show Great Dance Crew.
2023-present: Debut with TripleS In July 2023, South Korean entertainment company Modhaus announced Xinyu as the fifteenth member of girl group TripleS and she became a member of the group's sub-unit Lovelution. She debuted with Lovelution on August 17 with their first EP Muhan.
On June 18, 2024, Modhaus announced Xinyu as a member of the sub-unit Visionary Vision. On October 18, the sub-unit debuted with Performante and its title track "Hit The Floor".
On September 3, 2025, Modhaus announced the MSNZ project which would form four sub-units named Moon, Sun, Neptune, and Zenith, with six members each, with Xinyu as the leader of Sun. On November 24, TripleS released the EP Beyond Beauty featuring the MSNZ sub-units.
Personal life In July 2025, Xinyu expressed her support for One China principle, including claims that Hong Kong, Macau and Taiwan all belong to the same country as the People's Republic of China. After the statement received backlash from the fanbase, Xinyu urged those who disagree to "unfollow" her on the platform.
Discography
Release DateSong TitlePerformersAlbumNotesJuly 12, 2021"O.O.O (Over&Over&Over)"Girls Planet 999"O.O.O (Over&Over&Over)"Girls Planet 999 theme songOctober 8, 2021"U+Me=Love"7 Love Minutes"Creation Mission"Performed with Seo Young-eun, Nonaka Sana, May, Kim Soo-yeon, Sakamoto Maishiro, and Kamimoto Kotone
Filmography
Television shows DateNameBroadcasterAugust 6, 2021 - October 15, 2021Girls Planet 999Mnet Web shows DateNameBroadcasterApril 16, 2022 - June 11, 2022Great Dance CrewYouku References