Win Hareruya (晴家はれるや ウィン, Hareruya Win) is a former staff member of the Desire Grand Prix who transforms into Kamen Rider PunkJack (仮面ライダーパンクジャック, Kamen Raidā Panku Jakku). During his early staffing days, he transformed into a Keibi Rider (警備隊ライダー, Keibitai Raidā). After being betrayed by Girori, he was forcefully brainwashed into a GM Rider (GMジーエムライダー, Jīemu Raidā).