Eden Unveils 'The Bible of the "Eden"' at Starphony DAY2, Sending Fans into a Frenzy

On November 23, 2025, at the voice actor event "Starphony DAY2" held at Saitama Super Arena, the popular unit "Eden" made a surprise debut performance of their new song "The Bible of the "Eden"", sending fans in the venue into a frenzy. It was announced that the new song would be available for streaming starting at midnight on the same day, immediately after the event, leading to an outpouring of anticipation and excitement on social media.

Eden appeared from the very beginning of the event, quickly exciting fans. The surprise new song performance, in particular, defied many expectations, with numerous reactions expressing astonishment, such as "I was shaken by Eden's unexpected new song," "Eden's new song was insane...," and "I wasn't ready and Eden's new song knocked me over." Junichi Suwabe (who voices Nagisa Ran, an Eden character) also reported the release and streaming start of the new song on his X (formerly Twitter) account, further fueling its spread.

The performance, featuring chair choreography and a structure where Adam and Eve sang their respective parts before ultimately coming together as Eden, deeply moved fans, eliciting comments like "So this is what paradise feels like" and "I never expected it to be one song, with Adam, Eve, and Eden separated." Furthermore, theories emerged that the lyrics contained titles of past songs like "Eclipse" and "Butterfly," leading to speculation that this was a "culmination." This content sparked both anticipation for future developments, such as "Is a climax event just beginning for Eden?", and some anxiety, with comments like "They're being favored too much; it's almost a little scary."

Moreover, Eden's appearance on a "torokko" (a moving cart, sometimes playfully referred to as a "chari" or "bike" by some fans) during the live performance also became a major talking point. The contrast with their usual cool image—with comments like "Eden on a chari is fresh and cute!", "Love Eden on a chari too much," and "It seems the magnificent Eden-sama wanted to make a 'came here by bike' entrance"—provided fans with fresh surprise and joy, leading to a flurry of related terms on social media.

Praise poured in, such as "I was constantly moved by Eden's kingly performance" and "Thank you for the best stage," reaffirming their overwhelming presence. While there were also mentions of other units at "Starphony" that day, such as the full three-member performance by Switch and being moved by Kaito Ishikawa's (who voices Tsumugi Aoba, a Switch character) singing, Eden's new song unveiling was undeniably the biggest topic.

"The Bible of the "Eden"", Eden's new song that dominated trends overnight. As its title suggests, attention is now focused on how this song, which will become the unit's new "sacred text," will influence the future music scene.

The context

This article reports on "Starphony DAY2," a voice actor event for the popular Japanese idol rhythm game franchise, Ensemble Stars!!. Eden is one of the highly popular in-game idol units from this franchise, known for their charismatic and regal image. The unit consists of four members, who are also conceptually divided into two sub-units: Adam and Eve. Voice actors perform as their respective characters at these events. Junichi Suwabe is a renowned voice actor who voices Nagisa Ran, the leader of Eden. A "torokko" (トロッコ) refers to a small moving cart or trolley often used in Japanese concerts, especially by idols, to move around the venue and get closer to fans, though fans sometimes playfully call it "chari" (チャリ, short for "bicycle").