"Mikuru Shindou" is the 15th episode of Cardfight!! Vanguard G: GIRS Crisis and the 259th episode of the Cardfight!! Vanguard Anime.
In order to test Chrono's resolve in his decision to oppose Ryuzu Myoujin's ambition, Shin challenges Chrono to a cardfight with Mikuru as a witness. Shin's eyes are shining sharply!