Pt. 3- Peace is restored to End of the Century Academy, when Toki and Raoh appear, hoping to join the school. Ryuken will only allow one of them to join, and gives them a mission to determine who that will be. Pt. 4- Ryuken gives the brothers a new mission: to fix the school's clock tower, which is running slow. But upon arriving at the soaring structure with its solid gold flag at the top, they find...

Isn't argon such a cute name…

Mikazuki belongs to the private security company CGS, at the Martian city of Chryse, which has been hired to escort a girl named Kudelia to Earth. But just as preparations for departure are underway, Gjallarhorn attacks CGS in an attempt on Kudelia's life.

Bartolomeo is in a neck and neck battle against Gladius to save Robin, and is faced with an impossible dilemma. With all his options leading to their defeat, can his cunning ploy save the day? Meanwhile, Robin is face to face with Cavendish, but his evil aspect Hakuba keeps complicating the situation more!

Chrono Shindou and the rest of Team TRY3 teach a beautiful girl, Yumizuki Luna, how to play Vanguard at Card Capital #2. Just then, a broadcast is made by the Vanguard Promotion Association announcing the start of their big event, the G Quest!