Enhypen shared their thoughts on collaborating with actor Park Jung-min. Through this album, 'THE SIN : VANISH,' Enhypen successfully collaborated with top artists from various fields. In an interview held at a café in Seoul, Jung-won explained, "This album is a concept album with storytelling elements. There is a storyline from the 'beginning of the incident' to the last track," adding that Park Jung-min's narration enhanced the album's immersion. He added, "The key point is that the stories of each song connect, so I recommend listening to them in order."

Park Jung-min took on the voice of the 'Mystery Show' host. Known for his delicate acting, the actor added weight to the album's narrative with his low and calm tone narration. The narration tracks were produced in four languages: Korean, English, Japanese, and Chinese, conveying the charm of each language. Famous Japanese actor and voice actor Kenjiro Tsuda and popular Chinese singer Huang Zihongpan participated, expressing the album's emotional line in their native languages.

Park Jung-min recently gained attention by performing a congratulatory stage of 'Good Goodbye' with Hwasa at the 46th Blue Dragon Film Awards. Their fantastic chemistry sparked great buzz across various communities. Enhypen expects even greater impact through collaboration with Park Jung-min. Seong-hoon said, "Personally, I really like actor Park Jung-min's works and acting. The offer was made before that event. He has become even more famous," expressing gratitude for his delicate acting skills.

This album also features iconic Korean hip-hop artist Gaeko of Dynamic Duo and So!YoON! (Hwang So-yoon) of the band Say Sue Me, who is gaining attention with fresh music. Gaeko sensibly crafted the lyrics for the album's title track 'Knife' and the included song 'Big Girls Don't Cry.' So!YoON! featured on 'No Way Back,' harmonizing with Enhypen through her unique tone and delicate sensibility.

Jung-won expressed satisfaction with the album lineup, saying, "When I first heard 'No Way Back,' I thought the dreamy vibe would suit senior Hwang So-yoon well. It was amazing that she actually featured." He mentioned that fans compared the lineup to that of a famous awards ceremony and emphasized that the solid lineup well expressed the album's color.

Enhypen won 'The Awards Black Label Album of the Year' and 'Album of the Year' at the 2025 'D Awards' and 'ASEA' (ASIA STAR ENTERTAINER AWARDS), respectively. They also achieved winning the 'VISA Fans' Choice of the Year,' one of the four grand prizes at the '2025 MAMA AWARDS.' Hee-seung said, "We received three grand prizes, and we think it is appropriate for our experience to show a mature side with gratitude," hoping that the public and fans will appreciate this.

Through this album, Enhypen adds musical depth by combining storytelling and collaborations with various artists. They plan to continue approaching fans with new attempts in the future.