W♠PRINCE

 was a sub-unit of Fudanjuku. They released only one single before going Inactive after Seto's graduation on February 11, 2019.

Members

 * Seto Kouki (瀬斗光黄)
 * Aiba Kensui (愛刃健水)

Singles

 * 1) [2017.07.05] Mou Kimi Igai... (もう君以外．．．)