Kamen Rider Revice S01 E12 Weakness is Strength!? The Invincible Jeanne!1

"The hero and the demon are a tag team... in other words, the strongest!"

After Sakura awakens her inner demon instead of becoming a Kamen Rider and Ikki is injured while protecting her, Daiji demands she hand over her Rider equipment to Fenix so they can investigate the person who sent them.