When you were at the Akihabara river for some free ride with your jet after won previous race at Kandagawa river on Asakusa, suddenly, a team named Grindcore from Kagurazaka Techincal High School with Kamui Kurenai and Naraku Mamiya in their 'Lavcar Mark IV' jet approaches behind you

Kamui speaks behind you in her sadistic tone

Kamui: "This is the place where You shine the brightest. And we're here to take it away from you."

Naraku speaks in her emotionless feeling on what Kamui said

Naraku: "You said it... Kamui."