Watch The On1y One (2024): stream The On1y One (2024) on Rakuten Viki. Compare all streaming options for this TV show on WhereCanIWatch.tv.
The On1y One
1 Season • 12 Episodes
Top Pick
Stream on Rakuten Viki
HD · Included
About
You can stream The On1y One (2024) on Rakuten Viki with a subscription.
When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.
The On1y One is a show that explores themes of high school, stepbrother, boys' love (bl). It also touches on based on web novel and sentimental and adoring.
Trailer
Director
Liu Kuang-Hui
Cast
Liu Dongqin, Benjamin Tsang, Samuel Ku, Kenny Yen, Lu Tingyu, Duan Chun-hao, Jennifer Hong, Yu An-Shun, Chen Wei-Min
You might also like
See all →
Best way to watch
1 options ranked by value · 🇺🇸 United States
Included with subscription
Last verified 6 days ago
The On1y One
1 Season • 12 Episodes
You can stream The On1y One (2024) on Rakuten Viki with a subscription.
Director
Liu Kuang-Hui
Cast
Liu Dongqin, Benjamin Tsang, Samuel Ku, Kenny Yen, Lu Tingyu, Duan Chun-hao, Jennifer Hong, Yu An-Shun, Chen Wei-Min
1 options ranked by value · 🇺🇸 United States
Keep browsing: Airing Now · Popular TV Shows · Drama · Comedy
high school · stepbrother · boys' love (bl) · based on web novel · sentimental · adoring
The On1y One is streaming on Rakuten Viki. Availability last verified May 24, 2026.