Starlight Boys
Starlight Boys, previously known as Youth With You International, is a South Korean-Chinese survival show that premiered on iQIYI and SBS on October 26, 2024.
The program follows the story of 69 contestants who will participate to debut in a 9-member boy group.
Mentors
The series was presented by Lee Sung Kyoung. Other artists featured as cast members:- Lee Seung Gi
- Daesung
- Choi Youngjoon
- Hanhae
- Kwon Eun Bi
- Hui
- Eric
- Yoon
Contestants
Color key- Top 9 of the week
- Final members of Polarix
- Eliminated in the Final Episode
- Eliminated in the Second Elimination
- Eliminated in the First Elimination
- Eliminated after the Signal Song Mission
- Left the show
Missions
Level Test (Episode 1–2)
;KeyColor key
- Polaris
- "All-star" contestant who was eventually demoted to "2-star"
Bold team numbers are teams whose performances were partially or entirely unaired on broadcast.
All-Star Battle
Only eight seats were allotted for contestants receiving an "all-star" rating. Once all seats were filled, subsequent contestants receiving an "all-star" could challenge a current "all-star" contestant for their seat. Results were determined by the other contestants' votes. The winning contestant would keep their "all-star" rating, while the losing contestant would be demoted to "2-star".Color key
- Winning contestant, remained in all-star
- Losing contestant, demoted to 2-star
| Order | Challenger | Nominee |
| 1 | Yoo Gwan-woo | Han Jeong-woo |
| 2 | Sun Yinghao | Min-jae |
| 3 | Michael Wu | Han-gyul |
| 4 | Huang Jialiang | Duan Xingxing |
| 5 | Zai | Lee Jun-hyuk |
| 6 | Hong Sung-min | Sun Yinghao |
| 7 | Yang Dong-hwa | Sun Yinghao |
Signal Song Survival Challenge (Episode 2)
;KeyThe top row indicates the initial level assigned after the Level Placement Test, while the first column indicates the new level after the re-evaluation.
| scope="col" | All star | 2 star | 1 star | 0 star |
| All star |
| |||
| 2 star | ||||
| 1 star | ||||
| 0 star | ||||
| Eliminated |
K-Pop Generation Battle (Episode 3-4)
Color key- Winning Team
- Polaris
Position Battle (Episode 6-8)
Color key- Winning Team
- Polaris
Ranking
Top 9
The top 9 contestants were chosen through popularity online voting through the iQIYI mobile app and audience live voting, as shown at the end of each episode.;Color key:
| New Top 9 |
| # | 2 | 3 | 5 | 6 | 7 | 9 | 10 |
| 1 | Shao Ziheng | Shao Ziheng | Shao Ziheng | ||||
| 2 | Sun Yinghao | Sun Yinghao | Sun Yinghao | Shao Ziheng | Han-gyul | Lee Jun-hyuk | |
| 3 | Shao Ziheng | Shao Ziheng | Shao Ziheng | Sun Yinghao | Han-gyul | Lee Jun-hyuk | Xu Shihuan |
| 4 | Han-gyul | Han-gyul | Han-gyul | Han-gyul | Sun Yinghao | Pentor | Xin Che |
| 5 | Pentor | Pentor | Pentor | Zhang Jijun | Zhang Jijun | Pentor | |
| 6 | Pentor | Lee Jun-hyuk | Xu Shihuan | Han-gyul | |||
| 7 | Lee Jun-hyuk | Lee Jun-hyuk | Lee Jun-hyuk | Lee Jun-hyuk | |||
| 8 | Lee Da-eul | Lee Da-eul | Zhang Jijun | Pentor | Duan Xingxing | ||
| 9 | He Xilong | Min-jae | Min-jae | Xin Che | Lee Da-eul |
First voting period
The first voting period took place from October 26 to November 16, 2024.Voters could vote for three, five, or seven boys per day depending on their subscription to iQIYI.
At the end of the second episode, all votes for the eliminated contestants were discarded.
Post-Competition
The debut group POLARIX will be active for 2 years and 6 months, and managed by iQIYI.- Some contestants returned to their original groups:
- * Yoo-jun, Do-ha, and Min-jae returned to BAE173.
- * Hong Sung-min, Ling Qi, and Hikari returned to Fantasy Boys.
- * Eden returned to NINE.i.
- * Nam Son returned to PICKUS.
- Some contestants left the agency:
- *Ivan left Yu Xiao Media and returned to Malaysia for planning his solo career.
- Some contestants participated in other survival shows:
- * Sun Jiayang, Bian Shiyu, Luo Junwei, Ngan Chau-yuet were contestants on Boys II Planet. Luo Junwei left the show prior to its airing, ranking between 134th and 136th, Ngan Chau-yuet was eliminated in the second episode after ranking 88th, Bian Shiyu was eliminated in the fifth episode after ranking 64th, and Sun Jiayang was eliminated in the eighth episode after ranking 35th.
- ** Ngan Chau-yuet will be participating in the Boys II Planet spin-off show Planet C: Home Race. He went onto debut in the winning group Modyssey, after ranking 7th.