'Waterbomb' Tsuki, covering only her chest... "Fabric insufficient from the side"

*This content was translated by AI.

Tsuki of the group Billie participated in 'Waterbomb Seoul 2026'.

On the 26th, Tsuki posted a photo on her personal account with the caption "Waterbomb time!"

The image showed Tsuki performing on stage at the outdoor Global Stage held at KINTEX in Goyang, Gyeonggi Province, on the previous day (the 25th) for 'Waterbomb Seoul 2026'. Billie has participated in the 'Waterbomb' event for two consecutive years.

In the photo, Tsuki wore a top that fully exposed her back, paired with a bikini and jeans, showcasing low-rise fashion while emphasizing her sexy charm.

Even in the four-panel photos, she struck confident poses, displaying her slender figure.

Netizens responded with comments such as "Oh my god hot girl," "She's a goddess," and "im in shock."

Meanwhile, Billie released their first full album 'the collective soul and unconscious: chapter two' (The Collective Soul and Unconscious: Chapter Two) in May.

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*This content was translated by AI.