Other Title: 仮面ライダービルド-黄金のソルジャー, Kamen Raidā Birudo-Ōgon no Sorujā
Summary: The man holding his own Sclash Driver
is known as Hokuto’s assassin, Kazumi Sawatari. But the Sclash Driver
was developed by Sento, so how is it in the hands of Hokuto already?!
Before all those questions could be answered, Kazumi transforms into
Kamen Rider Grease!