Fans discover TWICE Sana's unexpected friendship with this male idol at 'ISAC' recording
Fans discovered an unexpected friendship at 'Idol Star Athletics Championship'!
She excitedly patted the Japanese member U on the back and said hi.
U and Sana were also seen playing around.
According to netizens, U used to train under JYP Entertainment. In addition, he was born in Osaka, which is also Sana's hometown.
Netizens expressed amazement at the unexpected friendship, and commented, "Sana seems so excited to see him", "Hul I didn't know they were close. Sana looks so excited to see him", "The other ONF members were probably so jealous lol."