 | REIKO 'First Christmas feat. JUNON (BE:FIRST)' Music Video | 2024/12/03 20:00 | 00:04:33 | 2,608,602 | 45,999 | 5,962 | 1.99% |
 | REIKO 'First Christmas feat. JUNON (BE:FIRST)' Live from BMSG FES'25 | 2025/12/19 18:00 | 00:04:46 | 545,081 | 18,777 | 569 | 3.55% |
 | REIKO 'First Christmas feat. JUNON (BE:FIRST)' Live from REIKO’s Winterland | 2024/12/24 19:00 | 00:04:33 | 506,312 | 24,033 | 1,152 | 4.97% |
 | 今年もこの曲とともに温かなクリスマスを🎅🎁🌟#REIKO_FirstChristmas #BEFIRST #JUNON #REIKO | 2025/11/17 16:06 | 00:00:26 | 484,697 | 3,984 | 37 | 0.83% |
 | Just like a rose!!!🌹 w/ YURI & MAHINA from @HANA_BRAVE_Official #HANA #ROSE #YURI #MAHINA #REIKO | 2025/09/30 16:02 | 00:00:23 | 419,013 | 16,838 | 112 | 4.05% |
 | REIKO 'Take It Back (Prod. Sam is Ohm)' Music Video | 2025/04/21 20:00 | 00:03:55 | 362,492 | 10,957 | 526 | 3.17% |
 | REIKO 'maybe (Prod. Taka Perry)' Music Video | 2025/10/24 20:00 | 00:03:21 | 315,775 | 12,120 | 946 | 4.14% |
 | REIKO 'LOVE DEEPER (Prod. m.c.A・T)' Music Video | 2025/06/23 20:00 | 00:04:26 | 294,779 | 10,048 | 430 | 3.55% |
 | REIKO 'So Good' Live from BMSG FES'24 | 2024/12/15 20:00 | 00:03:13 | 278,613 | 7,025 | 276 | 2.62% |
 | REIKO 'Lullaby (Prod. ALYSA)' Music Video | 2026/01/12 20:00 | 00:04:40 | 247,903 | 9,921 | 715 | 4.29% |
 | REIKO 'CHECK (Prod. ALYSA)' Music Video | 2026/05/11 20:00 | 00:02:55 | 156,623 | 8,200 | 525 | 5.57% |
 | REIKO '君のせい' Live from REIKO 1st One-man Tour "Love you deeper" | 2025/07/10 18:00 | 00:03:52 | 142,327 | 3,414 | 137 | 2.49% |
 | REIKO 'First Christmas feat. JUNON (BE:FIRST)' Live from BMSG FES'25 #REIKOクリスマス | 2025/12/20 14:08 | 00:00:22 | 123,775 | 4,882 | 34 | 3.97% |
![クリスマスを学ぼう！feat. JUNON (BE:FIRST) [ "A day with REIKO" Ep.08 ]](https://i.ytimg.com/vi/WUTbKkRrIZk/default.jpg) | クリスマスを学ぼう！feat. JUNON (BE:FIRST) [ "A day with REIKO" Ep.08 ] | 2024/12/25 19:00 | 00:29:24 | 117,985 | 8,808 | 240 | 7.67% |
 | I feel So Good with SB19 at BMSG!!! @officialSB19 #SB19 #SB19日本ログ #SaWWorldTourTokyo #REIKO | 2025/09/24 17:01 | 00:00:36 | 109,258 | 6,477 | 48 | 5.97% |
 | REIKO 'Lullaby' Live from REIKOʼs Winterland Vol.2 | 2026/01/20 18:00 | 00:04:39 | 100,621 | 4,696 | 296 | 4.96% |
 | REIKO 'So Good' Live from REIKO’s Winterland | 2025/05/19 18:00 | 00:03:24 | 95,027 | 3,363 | 106 | 3.65% |
 | Making of "First Christmas" | 2024/12/20 14:03 | 00:12:48 | 88,428 | 6,844 | 105 | 7.86% |
 | REIKO 'CHECK' (from 2nd EP "VOICE") ⽇本テレビ系「#DayDay.」5月度エンディングテーマ #EP_VOICE #CHECK #REIKO | 2026/05/01 11:16 | 00:00:16 | 71,663 | 4,375 | 92 | 6.23% |
 | Behind the scenes❤️🔥 #BMSGFES #BMSG #REIKO | 2025/10/02 18:54 | 00:00:30 | 66,072 | 5,244 | 63 | 8.03% |
 | 'Lullaby'Live fromREIKO's Winterland Vol.2 2025/12/25 Billboard Live YOKOHAMA #REIKO_Lullaby #REIKO | 2026/01/28 17:00 | 00:00:40 | 64,462 | 2,771 | 32 | 4.35% |
 | #TakeItBack #REIKO_Trilogy #REIKO | 2025/04/25 19:50 | 00:00:49 | 63,940 | 4,054 | 62 | 6.44% |
 | REIKO 'BUTTERFLY' Live from REIKO’s Winterland | 2025/04/16 20:00 | 00:02:42 | 61,186 | 3,769 | 160 | 6.42% |
 | REIKO 'So Good' Live from REIKO 1st Fan Meeting - So Good with you | 2024/12/12 19:00 | 00:03:25 | 58,005 | 3,678 | 118 | 6.54% |
 | ‘Fantasy’ (MAZZEL)REIKO 1st One-man Tour “Love you deeper” #MAZZEL_Fantasy #Loveyou_deeper #REIKO | 2025/10/12 21:01 | 00:00:53 | 55,526 | 3,796 | 61 | 6.95% |
 | 今年もこの季節が来るね⛄️🎁#REIKOクリスマス #REIKO_FirstChristmas #REIKO | 2025/11/14 21:11 | 00:00:31 | 52,834 | 3,309 | 66 | 6.39% |
 | Behind the scenes🎥 Thank you so much🫶🕺 @officialSB19 #SB19 #SB19日本ログ #SaWWorldTourTokyo #REIKO | 2025/09/30 17:00 | 00:00:47 | 48,604 | 3,764 | 19 | 7.78% |
 | Happy New Year 2026🎍🐎 #BMSG #REIKO | 2026/01/01 09:01 | 00:00:15 | 46,663 | 4,578 | 88 | 10% |
 | MANATO, KAIRYU, REIKO, KANON / BUBBLE - Live from BMSG FES’25 #BUBBLE #BMSGFES #BMSG #REIKO | 2026/02/15 17:05 | 00:00:19 | 44,948 | 2,883 | 18 | 6.45% |
![乗馬を学ぶ with HAYATO (MAZZEL) [ "A day with REIKO" Ep.21 ]](https://i.ytimg.com/vi/_YX5x1YAb5I/default.jpg) | 乗馬を学ぶ with HAYATO (MAZZEL) [ "A day with REIKO" Ep.21 ] | 2026/01/29 18:00 | 00:23:07 | 43,853 | 4,842 | 279 | 11.68% |
 | REIKO’s Karaoke Instagram Live🎤(2025.9.9) #平井堅 #瞳をとじて #REIKO | 2025/09/09 20:54 | 00:00:42 | 42,651 | 2,929 | 39 | 6.96% |
 | ありがとう✨🫶 #WATWING #八村倫太郎 #REIKO_FirstChristmas #REIKO | 2025/11/18 18:41 | 00:00:29 | 41,927 | 2,410 | 30 | 5.82% |
 | ‘君のせい’ Session 🎙️w / Matt Cab #君のせい #REIKO_Trilogy #REIKO | 2025/05/22 19:00 | 00:00:51 | 41,544 | 3,113 | 34 | 7.58% |
 | ‘ICE’ MAZZEL (2nd EP “VOICE”Love you deeper 盤収録) #MAZZEL_ICE #EP_VOICE#REIKO | 2026/04/09 16:51 | 00:00:37 | 40,744 | 3,431 | 24 | 8.48% |
 | '#奏（かなで）' (#スキマスイッチ) From REIKO's Surprise A Cappella Instagram Live🎤 #REIKO_ acapellalive #REIKO | 2025/11/04 20:12 | 00:00:54 | 40,372 | 2,845 | 49 | 7.17% |
 | 乗馬を学ぶ with HAYATO (MAZZEL) 2026年の干支“午年ならって乗馬を初体験！🐎 #REIKO #HAYATO #MAZZEL#AdaywithREIKO | 2026/01/29 18:00 | 00:00:44 | 37,768 | 2,621 | 43 | 7.05% |
 | feeling good☀️w/GOICHI(STARGLOW) #BMSGFES #REIKO_SoGood #GOICHI #STARGLOW #REIKO | 2025/10/24 13:48 | 00:00:36 | 37,454 | 4,509 | 37 | 12.14% |
 | 'Lullaby' Live fromREIKO's Winterland Vol.2 2025/12/25 Billboard Live YOKOHAMA#REIKO_Lullaby #REIKO | 2026/01/20 18:30 | 00:00:40 | 36,999 | 2,295 | 27 | 6.28% |
 | REIKO's Surprise A Cappella Instagram Live🎤 #REIKO_FirstChristmas #REIKO_acapellalive #REIKO | 2025/12/09 19:49 | 00:00:29 | 36,117 | 2,922 | 36 | 8.19% |
 | REIKO New Jacket photo shooting #NewMusic #REIKO_Lullaby #REIKO | 2026/01/09 20:30 | 00:00:36 | 34,820 | 2,572 | 71 | 7.59% |
 | 「First Christmas」を一緒に歌っていただきました🥹🫶 #FullOfHarmony #REIKO_FirstChristmas #REIKO | 2025/12/04 17:10 | 00:00:29 | 33,012 | 2,558 | 46 | 7.89% |
 | #REIKO_FirstChristmas #REIKOsWinterland #BEFIRST #JUNON #REIKO | 2024/12/24 19:21 | 00:00:25 | 32,024 | 5,397 | 48 | 17% |
 | ‘Only You‘（MAZZEL）@MAZZEL_official #MAZZEL#MAZZEL_OnlyYou#REIKO | 2026/05/03 16:55 | 00:00:41 | 31,397 | 3,803 | 44 | 12.25% |
 | ionaさんのLessonでSabrina Carpenter 'Espresso'🕺🖤 #sabrinacarpenter #espresso #REIKO | 2025/11/26 13:39 | 00:00:35 | 29,846 | 2,152 | 34 | 7.32% |
 | REIKO One-man tour "VOICE" 追加公演開催決定🎉🎉🎉🙌 #RK_tourVOICE #REIKO | 2026/04/24 19:14 | 00:00:24 | 29,757 | 2,040 | 28 | 6.95% |
 | #REIKO_FirstChristmas #REIKOクリスマス #REIKO #BEFIRST #JUNON | 2024/12/03 20:19 | 00:00:25 | 28,818 | 5,148 | 73 | 18.12% |
![ノンフライヤーを学ぶ [ "A day with REIKO" Ep.18 ] #AdaywithREIKO #REIKO](https://i.ytimg.com/vi/S-tPIL1-sfQ/default.jpg) | ノンフライヤーを学ぶ [ "A day with REIKO" Ep.18 ] #AdaywithREIKO #REIKO | 2025/10/31 19:16 | 00:00:41 | 28,530 | 1,344 | 19 | 4.78% |
![SKY-HI / One More Day -remix-feat. REIKO, RAN, SEITO, KAIRYU[BMSG FES'25] #OneMoreDay #SKYHI #REIKO](https://i.ytimg.com/vi/kjbRydiKSdc/default.jpg) | SKY-HI / One More Day -remix-feat. REIKO, RAN, SEITO, KAIRYU[BMSG FES'25] #OneMoreDay #SKYHI #REIKO | 2026/05/23 14:56 | 00:00:54 | 28,393 | 2,199 | 17 | 7.8% |
 | REIKO’s Karaoke Instagram Live🎤(2025.9.16) #椎名林檎 #丸ノ内サディスティック#REIKO | 2025/09/16 20:08 | 00:00:58 | 28,110 | 1,889 | 33 | 6.84% |
 | REIKOʼs Winterland Vol.2🎄(2025/12/25 Billboard Live YOKOHAMA) #REIKOsWinterland #REIKO | 2025/12/26 21:18 | 00:00:53 | 27,961 | 2,391 | 47 | 8.72% |
![クリスマスを学ぼう！feat. JUNON (BE:FIRST) [ "A day with REIKO" Ep.08 ]](https://i.ytimg.com/vi_webp/WUTbKkRrIZk/default.webp)
![乗馬を学ぶ with HAYATO (MAZZEL) [ "A day with REIKO" Ep.21 ]](https://i.ytimg.com/vi_webp/_YX5x1YAb5I/default.webp)
![ノンフライヤーを学ぶ [ "A day with REIKO" Ep.18 ] #AdaywithREIKO #REIKO](https://i.ytimg.com/vi_webp/S-tPIL1-sfQ/default.webp)
![SKY-HI / One More Day -remix-feat. REIKO, RAN, SEITO, KAIRYU[BMSG FES'25] #OneMoreDay #SKYHI #REIKO](https://i.ytimg.com/vi_webp/kjbRydiKSdc/default.webp)
