Kagura forces the Yorozuya to go beetle hunting for fun and profit, but they discover the Shinsengumi, in search of a beetle for their own purposes.
Remarks
Kamen Rider Den'O reference for Sougo Okita as Ryuutaros:
Is it okay to beat you down, I can't hear your answer though.
Ken'ichi Suzumura did the voice of Sougo Okita and Ryuutaros.