“Boys II Planet” was the third installment of Mnet’s space-themed reality competition series, following “Girls Planet 999” in 2021 and “Boys Planet” in 2023.
“Boys II Planet” premiered on July 17, 2025, with 160 contestants. They were originally divided into two programs: “Planet K” (based in Korea) and “Planet C” (based in China). However, after the first elimination round, the remaining groups of contestants were merged together.
The show concluded on Sept. 25 with the announcement of the top eight contestants as voted by Korean and global fans. These contestants will debut as the group ALPHA DRIVE ONE.
Read on below to see who made it to the top after 10 thrilling weeks of “Boys II Planet.”
1. Lee Sang Won
Age: 2003 (22)
Nationality: Korean
Notable fact:
- He was a member of the predebut boy group Trainee A under BigHit Music.
2. Zhou An Xin
Age: 2006 (19)
Nationality: Chinese
Notable fact:
- He participated in the 2024 survival show “Make Mate 1,” where he came in 14th place.
3. He Xin Long
Age: 2005 (20)
Nationality: Chinese
Notable fact:
- He debuted in 2018 as a member of the Chinese group BOY STORY.
4. Kim Geon Woo
Age: 2003 (22)
Nationality: Korean
Notable fact:
- He was chosen as the center for the signal song “Hola Solar.”
5. Zhang Jia Hao
Age: 2002 (23)
Nationality: Chinese
Notable fact:
- He participated in the 2024 survival show “Make Mate 1,” where he came in 10th place.
6. Lee Leo
Age: 2002 (23)
Nationality: Korean-Australian
Notable facts:
- He was a member of the predebut boy group Trainee A under BigHit Music.
- He debuted in 2023 as a solo artist.
7. Chung Sang Hyeon
Age: 2007 (18)
Nationality: Korean
Notable fact:
- He was one of the contestants used in the visual posters for “Boys II Planet.”
8. Kim Jun Seo
Age: 2001 (24)
Nationality: Korean
Notable facts:
- He participated in the 2018 survival show “Under 19” and made it to its final group, 1the9.
- In 2020, he debuted as a member of the group WEi.
What do you think of the final "Boys II Planet" debut lineup? Are you going to stan ALPHA DRIVE ONE? Let us know in the comments!
