Other Title: 仮面ライダービルド-ゼロ度の炎, Kamen Raidā Birudo-Zero-do no Honō
Summary: Grease has transformed into Grease Blizzard using the Blizzard Knuckle
despite Sento warning him not to do so as it would mean the end of
Kazumi’s life. Kazumi decides to burnout his soulfire with the remaining
spirit of the Hokuto Trio within him for the last time. And the one
person to witness his end… is Misora…