During a recent show, Billlie member Tsuki humorously expressed her disappointment with her agency CEO, Yoon Jong Shin. She felt the group, being the company's first girl group, wasn't promoted enough, despite their strong performances and unique concepts. Tsuki clarified her affection for the CEO while highlighting the lack of promotion on broadcasts and social media.

Billlie took to the stage on "Show Champion" to perform their tracks "ZAP" and "WORK." The episode featured a competitive lineup with CORTIS ultimately taking home their third win for "REDRED." Other artists performing included 82MAJOR, hrtz.wav, and NAZE.

Billlie delivered a performance of their song "ZAP" on the May 8 episode of "Music Bank." The show saw TWS achieve their first music show win for "You, You." The broadcast also featured performances from other artists including CORTIS and ILLIT.

Billlie's Tsuki captivated fans with her striking visual transformation at the showcase for their first full-length album, "The Collective Soul and Unconscious: Chapter 2." Her confident aura, chic styling, and vibrant orange hair garnered significant attention online, with netizens praising her unreal beauty and professionalism.

Mystic Story has responded to accusations of plagiarism regarding an animated video for Billlie's B-side track "$ECRET NO MORE." Some fans and the creators of a student film claimed the video used generative AI and was similar in style to their work without permission. The agency issued a statement addressing the concerns.

Mystic Story announced its intention to take legal action against ongoing acts that infringe upon Billlie members' fundamental rights. These violations include sexual harassment, malicious defamation, and spreading false information. The agency stated it has secured evidence and will maintain a zero-tolerance policy to protect the artists.

Billlie's Tsuki is highlighted for her ability to embody the J-pop aesthetic, often seen with high pigtails and bow-adorned dresses. Her magazine photoshoots, in particular, showcase a J-pop princess vibe, proving her versatility beyond K-pop concepts. She is featured alongside other Japanese idols known for rocking J-pop looks.

On the third anniversary of ASTRO's Moonbin's passing, Billlie's Moon Sua shared a touching tribute. She posted a cover of Christopher's song "Moments," a favorite of her late brother, along with a heartfelt message expressing her love and longing. SEVENTEEN's Seungkwan also paid tribute with a song dedicated to Moonbin.

Billlie member Moon Sua honored her late brother, ASTRO's Moonbin, on the third anniversary of his passing. She released an emotional cover of the song "Moments" and shared a touching message on Instagram. The tribute expresses her deep affection and anticipation for her upcoming comeback, wishing her brother could see it.

Billlie has officially returned with their first studio album, "The Collective Soul and Unconscious: Chapter 2," and the music video for their title track "ZAP." The song is described as being about confidently embracing the present moment while blocking out external noise. The release follows a series of teaser films and concept photos.