Danball Senki W

Danball Senki W (ダンボール戦機W (ダブル) Little Battlers eXperience) is the sequel of the first season of Danball Senki. The year 2051, one year after the final battle against the Innovators. Peace has returned thanks to the world's newest hobby, the Little Battle Experience (LBX for short). Ban Yamano, is now a popular LBX Champion across the globe amongst the LBX battle population. But the peace doesn't last long as a new terrorist organization called the Detector threatens the world by brainjacking LBXs. With his LBX Odin destroyed and Ami and Kazuya mysteriously abducted, Ban joins up with the karate-girl, Ran Hanasaki and the arcade-otaku, Hiro Oozora to fight against this new threat. Following the battle towards N-City, they meet up with Jessica Kaios, Jin Kaidou and a fully recuperated Yuuya Haibara. As the battle against the Detector continues, a new hidden evil comes to light after discovering the true nature of the Detector's terrorist acts. And what hidden potential lies within the newcomer, Hiro.

Reunion at the Dragon Tower (Season 1, Episode 07)
Ami is revealed to be the Slave Player in the panda suit. Then later, her collar short circuits and falls off after being defeated by Ban and Otacross. After recovering, she headed back to Tokio City

Episode 29
Asuka is revelead as a Slave Player

Manga vol 4 and 5
Ami is revealed to be the Slave Player protecting one of Detector's Towers, and Ban must defeat her in order to save her. Also Asuka gets controlled by Detector, Ban tries to save her, but Asuka is defeated by Kaz the best friend of Ban who looks like he is controlled by Detector but he is just faking.

Danball Senki W (Video Game) 3DS/PSP/PS Vita
Ami and Asuka and other player are mind controlled. (Timestamp: 39:40)