This special takes place before episode 42 of the Kamen Rider Build TV series. Misora, who has gotten irritated with Gentoku’s Fashion Sense, takes him out for shopping to buy new clothes. Over there he meets a boy but...
水上剣星
as Gentoku Himuro / Kamen Rider Rogue
高田夏帆
as Misora Isurugi
犬飼貴丈
as Sento Kiryu / Kamen Rider Build
金尾哲夫
as Evolto (voice), Evol Driver (voice)
田口宏子
as Hiroko Nanami
Shido Tanaka
as Sho Nanami
若本規夫
as Sclash Driver (voice)
小林克也
as Build Driver (voice)
Naomi Ito
as Clerk
