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
Company Name Nationality Age Guiders' evaluation Rankings 1–2 Re-test 2 3 5 6 7 9 10Final#1st#2nd###Votes###Votes#Votes Top Class Entertainment (托璞司娱乐) Bian Shiyu () China 18 47 46 35 39 Not Shown Eliminated Ningbo Huajieyu Film and Television Culture Media Co., Ltd Cai Chengyuan () China 23 57 52 27 42 Not Shown Eliminated Yue Kai Entertainment Chen Xuanyou () China 19 14 20 26 30 32 168,328 34 32 Not Shown Eliminated Individual Trainees () Choi Jun-ho () South Korea 22 31 32 28 36 37 129,344 Eliminated Mustation Entertainment CongB () Vietnam 23 10 27 12 11 13 539,466 17 13 13 833,340 Not Shown Eliminated PocketDol Studio ()Do-ha () South Korea 20 43 13 11 16 22 354,888 21 22 15 781,206 Not Shown Eliminated M-Nation Duan Xingxing () China 26 4 8 6 6 6 1,054,784 8 9 8 1,070,680 11 Not Shown Eliminated FirstOne Entertainment () Eden () South Korea 26 44 30 29 37 36 132,442 27 26 17 597,296 Not Shown Eliminated Stardust Entertainment (砾子星尘文化传媒有限公司) Float () Thailand 21 62 Not Shown Eliminated Individual Trainees () Gun-woo () South Korea 22 41 38 42 45 38 Not Shown Eliminated PocketDol Studio ()Han-gyul () South Korea 24 50 35 4 4 4 1,467,622 4 3 2 2,989,467 6 676,040 6 Individual Trainees () Han Jeong-woo () South Korea 23 13 6 15 17 21 360,664 19 23 Not Shown Eliminated Han Tae-i () South Korea 20 53 48 55 54 Not Shown Eliminated Stardust Entertainment (砾子星尘文化传媒有限公司) He Xilong () China 24 28 22 9 10 11 609,883 18 11 11 863,604 Not Shown Eliminated Individual Trainees () Hijiri () Japan 21 7 36 54 53 Not Shown Eliminated KISS Entertainment (キッス・エンタテインメント) Hikari () Japan 22 45 14 23 26 26 271,049 14 20 19 522,104 Eliminated Individual Trainees () Hoang Phan () Vietnam 23 55 Not Shown Eliminated PocketDol Studio () Hong Sung-min () South Korea 20 23 3 18 12 12 593,570 11 10 7 1,080,796 12 Not Shown Eliminated JS Entertainment () Hou Jiaen () China 19 58 Not Shown Eliminated Qin's Entertainment (坤音娱乐) Huang Jialiang () China 20 38 21 45 41 Not Shown Eliminated JS Entertainment () Huang Pengfeng () China 18 66 Not Shown Eliminated Yuxiao Media Ivan () Malaysia 23 22 54 22 23 24 313,213 23 24 Not Shown Eliminated Individual Trainees () Jae-min () South Korea 21 56 53 44 46 Not Shown Eliminated Jeon Min-gyu () South Korea 18 69 51 53 55 Not Shown Eliminated Jung Hae-sung () South Korea 22 49 28 46 48 Not Shown Eliminated RS Music () Kad () Thailand 26 24 Not Shown Eliminated Individual Trainees () Kwak Gun () South Korea 23 37 19 52 51 Not Shown Eliminated TOV Entertainment () Ke Mingkai () China 23 35 45 41 29 29 239,188 36 36 Not Shown Eliminated Individual Trainees () Kim Seon-jae () South Korea 21 36 31 38 44 Not Shown Eliminated KPlus () Kim Seong-ju () South Korea 17 21 49 36 40 Not Shown Eliminated Individual Trainees () Kingston Wong () Malaysia 19 16 29 34 32 33 158,417 30 29 Not Shown Eliminated Kris () Thailand 21 27 16 24 28 34 152,399 32 34 Not Shown Eliminated Lee Da-eul () South Korea 20 46 56 8 8 10 646,101 20 18 14 793,180 9 277,835 9 Lee Jun-hyuk () South Korea 24 5 23 7 7 7 946,089 7 6 3 1,737,708 2 1,532,218 2 TOV Entertainment () Li Shengjun () China 21 59 Not Shown Eliminated PocketDol Studio () Ling Qi () China 22 15 15 17 19 18 382,484 24 19 18 578,255 Not Shown Eliminated The Line Star Entertainment Luo Junwei () China 22 48 40 51 52 Not Shown Eliminated Individual Trainees () Michael Wu () Canada 21 18 7 48 35 31 197,085 10 21 Not Shown Eliminated PocketDol Studio () Min-jae () South Korea 20 40 9 10 9 9 650,397 13 16 16 639,556 Not Shown Eliminated TNK Entertainment (TNK 엔터테인먼트) Nam Son () Vietnam 17 54 41 40 31 28 249,662 28 25 Not Shown Eliminated Individual Trainees () Ngan Chau Yuet () Hong Kong 22 63 Not Shown Eliminated Insight Entertainment (อินไซท์ เอ็นเตอร์เทนเมนต์) Park Si-woo () South Korea 23 51 37 47 49 Not Shown Eliminated Individual Trainees () Park Yeon-wook () South Korea 22 68 33 56 56 Not Shown Eliminated Insight Entertainment (อินไซท์ เอ็นเตอร์เทนเมนต์) Pentor () Thailand 25 2 11 5 5 5 1,269,590 6 8 4 1,307,081 5 693,895 5 Individual Trainees () Phoom () Thailand 23 30 44 30 33 35 150,969 26 28 Not Shown Eliminated Pong () Laos 22 39 47 37 34 30 216,669 33 33 Not Shown Eliminated Rex () China 26 12 Not Shown Eliminated Rin () Japan 22 25 34 43 43 Not Shown Eliminated Ryou Kaito () Japan 23 29 Not Shown Eliminated Warner Music China (华纳音乐中国) Shao Ziheng () China 20 1 2 3 3 3 1,740,809 2 1 1 4,343,933 1 2,144,491 1 TOV Entertainment () Sheng Qi () China 21 32 5 39 27 25 272,585 12 17 20 Not Shown Eliminated JS Entertainment () Sun Jiayang () China 18 60 25 25 20 19 369,877 29 30 Not Shown Eliminated Laoyu Vision Company Sun Yinghao () China 24 8 12 2 2 2 1,878,149 3 4 Left the show Individual Trainees () Syo () Japan 24 26 17 19 24 27 263,620 31 31 Not Shown Eliminated RS Music () Vexter () Thailand 22 9 Not Shown Eliminated Joy Together Wang Kun () China 18 51 4 16 18 17 393,353 25 27 Not Shown Eliminated UN24 Xin Che () China 18 33 55 20 25 23 333,712 22 12 9 954,638 4 882,415 4 Individual Trainees () Xu Shihuan () China 24 42 39 31 14 14 482,842 35 35 6 1,082,589 3 1,431,896 3 Bluedot Entertainment () Yang Dong-hwa () South Korea 21 6 10 32 22 16 404,184 9 7 5 1,284,062 8 415,097 8 Insight Entertainment (อินไซท์ เอ็นเตอร์เทนเมนต์) Yang Yan () Singapore 23 17 50 49 47 Not Shown Eliminated Image Music Yoo Gwan-woo () Taiwan 22 11 1 1 1 1 2,628,744 1 2 Left the show PocketDol Studio () Yoo-jun () South Korea 23 19 26 13 15 15 453,145 15 14 12 860,647 10 247,729 Eliminated Individual Trainees () Yoshi () Japan 18 20 18 50 50 Not Shown Eliminated Catwalk (凯渥经纪) Zai () Taiwan 20 3 24 21 21 20 361,305 16 15 10 914,418 7 562,335 7 JS Entertainment () Zhang Hangyi () China 19 67 Not Shown Eliminated PC Entertainment Zhang Jijun () China 24 34 43 14 13 8 688,940 5 5 Left the show Individual Trainees () Zhang Jinghe () China 20 65 42 33 38 Not Shown Eliminated Zhao Jiayin () China 21 52 Left the show JS Entertainment () Zhu Enhao () China 17 64 Not Shown Eliminated
Prior to Starlight Boys
Missions Level Test (Episode 1–2) Key
All star 2 star 1 star 0 star
Color key Polaris "All-star" contestant who was eventually demoted to "2-star"
The Level Test involves the contestants performing individually or in teams and getting their individual performance evaluated by the guiders. After each performance, contestants could also evaluate each others' performances by voting. At the end of the Level Test, the contestant with the most votes, regardless of their grade, will be the "all-star" center, dubbed Polaris.
Bold team numbers are teams whose performances were partially or entirely unaired on broadcast.
+ Star Level Test (1st evaluation results) Performance Team Contestant Evaluation Performance Team Contestant Evaluation Original artist(s) Song Original artist(s) Song Episode 1 Episode 2 1 BTS "Blood Sweat & Tears" BTS Ke Mingkai 14 Got7 "Hard Carry" Avengers () Chen Xuanyou Li Shengjun Huang Jialiang Sheng Qi Ivan 2 AB6IX "Breathe" ABMIX Ryou Kaito Michael Wu Syo Zai 3 Treasure "Darari" Runway My Way Kim Seong-ju 15 TVXQ "Hug" AI Visuals (AI 비주얼) Xin Che 4 Ateez "Crazy Form" Triple Casting () Choi Jun-ho 16 Treasure "Jikjin" Fantasy Boys () Hikari Han Jeong-woo Hong Sung-min Kim Seon-jae Ling Qi 5 Super Junior "Black Suit" Black Suit Shao Ziheng 17 Chungha "Gotta Go" Phoom 6 Beast "Beautiful" Super MZ Hou Jiaen 18 Infinite "Man In Love" rowspan="3" Eden Huang Pengfeng Gun-woo Sun Jiayang Han Tae-i Zhang Hangyi 19 Stray Kids "Case 143" rowspan="3" Hijiri Zhu Enhao Rin 7 2PM "My House" Before Anyone Else Do-ha Yoshi Han-gyul 20 ONF "Bye My Monster" rowspan="3" Jae-min Min-jae Jung Hae-sung Yoo-jun Kawk Gun 8 BigBang "Fantastic Baby" Star Kings () Rex 21 Infinite "Be Mine" rowspan="2" Kad Yang Yan Vexter Zhang Jijun 22 Stray Kids "Miroh" rowspan="4" Bian Shiyu 9 Winner "Really Really" Flirty Boys () Jeon Min-gyu Hoang Phan Lee Da-eul Luo Junwei Nam Son Park Si-woo Park Yeon-wook 23 Cravity "Groovy" rowspan="3" Cai Chengyuan 10 Riize "Love 119" Shining Eyes Float Xu Shihuan He Xilong Zhao Jiayin Ngan Chau Yuet 24 BTS "Boy In Luv" rowspan="3" CongB Wang Kun Kingston Wong Zhang Jinghe Pong 11 Monsta X "Rush Hour" Second Idol () Lee Jun-hyuk 25 Kai "Mmmh" All Rounder () Yang Dong-hwa 12 SF9 "Good Guy" N and S (N극과 S극) Kris Pentor 13 Ateez "Answer" Last Dance () Duan Xingxing Sun Yinghao Yoo Gwan-woo
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) Key Class maintained Class upgraded Class downgraded
The top row indicates the initial level assigned after the Level Placement Test, while the first column indicates the new level after the re-evaluation.
+ Re-evaluation Test (2nd evaluation results) scope="col" All star 2 star 1 star 0 star All star Duan Xingxing Michael Wu Shao Ziheng Wang Kun Yoo Gwan-woo Han Jeong-woo Hong Sung-min Minjae Sheng Qi 2 star Pentor Yang Dong-hwa Zai Chen Xuanyou Do-ha Kawk Gun Kris He Xilong Hikari Huang Jialiang Lee Jun-hyuk Ling Qi Sun Yinghao Yoshi Sun Jiayang Syo 1 star CongB Han-gyul Kim Seon-jae Kingston Wong Nam Son Yoo-jun Choi Jun-ho Eden Gun-woo Hijiri Jung Hae-sung Luo Junwei Park Si-woo Park Yeon-wook Rin Xu Shihuan 0 star Ivan Pong Bian Shiyu Cai Chengyuan Han Tae-i Jae-min Kim Seong-ju Lee Da-eul Phoom Xin Che Jeon Min-gyu Ke Mingkai Yang Yan Zhang Jijun Zhang Jinghe Eliminated Float Hoang Phan Kad Ngan Chau Yuet Ryou Kaito Vexter Hou Jiaen Huang Pengfeng Li Shengjun Rex Zhang Hangyi Zhu Enhao
K-Pop Generation Battle (Episode 3-4)
Color key Winning Team Polaris