Billlie’s Tsuki stuns at Waterbomb Seoul 2026 in open-back top, matching bikini

Billlie’s Tsuki posted new Instagram photos on July 26 from Waterbomb Seoul 2026, showing an open-back top, low-rise jeans and a matching bikini.
Tsuki wrote on Instagram:
“Waterbomb time!!!”
The set of images came from the Waterbomb Festival and marked Billlie’s second consecutive year performing at the outdoor music event.






The photos highlighted her slender physique and confident poses. Netizens responded with admiring comments.
Netizens reacted:
“Oh my god, hot girl,”
“She’s a goddess,”
“I’m in shock.”





Billlie recently returned with their first full album the collective soul and unconscious: chapter two. The comeback was the group’s first music release after a year and a half-long hiatus, and it introduced a bold new concept.


