X-BORDER, formerly known as TRANP, is a Japanese idol boy group.
The name change and formation of the current line-up happened on April 4, 2019.
4 members are also part of a YouTube sub-unit Hanafuda Brothers.
- Kakizaki Koki (柿咲光輝; Green) - Part of Hanafuda Brothers
- Yamamoto Rui (山本琉伊; Blue) - Part of Hanafuda Brothers
- Sakakibara Sho (榊原尚; Red, formerly Yellow) - Part of Hanafuda Brothers
- Nito Lukia (ニ兎ルキア; Pink) (Joined April 4, 2019)
- Shimanuki Yuji (島貫勇士; White) (Joined April 4, 2019)
- Yuzuki Ryo (遊月りょう; Purple) (Joined June 30, 2021)
- Nakatani Shohei (中谷将平; Red)
- Kuroda Rei (黒田怜; Pink)
- Sakai Yuki (酒井勇輝; Purple) - Part of Hanafuda Brothers (Graduated on May 31, 2021)
- [2019.08.27] Gekijo Liberation (激情リベレーション)