TWICE Tzuyu’s Alleged Relationship With Fourth-Generation Idol’s Attractive Brother Causes Stir

TWICE Tzuyu's "Dating Rumors" With Fourth-Gen Idol's Handsome Brother Sparks Confusion

TWICE Tzuyu is facing shocking dating rumors with ATEEZ Hongjoong’s brother, Bum Joong.

The controversy began when an online post linked Tzuyu to Bum Joong, the handsome older brother of ATEEZ’s Hongjoong. Bum Joong recently caught fans’ attention with his visuals after his first variety show appearance alongside Hongjoong.

Fans are confused and surprised by the rumor. The post pointed out photos of Tzuyu and Bum Joong together at a TWICE show earlier this year, plus things like mutual social media likes, the use of each other’s music on Instagram, and even Bum Joong taking photos with Tzuyu’s dog.

TWICE’s Tzuyu

Hongjoong and his brother Bum Joong

ATEEZ Hongjoong’s Handsome Older Brother Is Going Viral For Visuals On First Variety Show Appearance

https://t.co/C5HgtDoJdj pic.twitter.com/Lt9Ph3fkyP

— Sally (@choutt99) November 25, 2025

As the situation gained traction, netizens reacted with disbelief and amusement. Some highlighted that the photos don’t really look like a couple and believe the two are just friends.

i cannot believe i’ve liked kpop long enough to see tzuyu having dating rumours with hongjoong’s brother https://t.co/PTsFyM9kjJ

— aetoz (@iloveaespateez) November 26, 2025

Does this look like a picture of a couple to you all? Tzuyu is doing the “nearing hand behind her back” move and a peace sign like bfr https://t.co/z3AgmXAMAy pic.twitter.com/t2poF3nJVT

— B (@teudoongiebbs) November 26, 2025

its ships that are being shipped that ain’t never been shipped before https://t.co/8aEATi64aT pic.twitter.com/nZoD0xImba

— yunwoosan yaoi expert (@frogyoungg) November 26, 2025