Ami Chouno (蝶野 亜美)
Chouno was trained by Shiho Nishizumi, and now serves as a JGSDF Captain and commander of the armoured corps training center. She officially is the Sensha-dou instructor at Oarai Girls' High School, and she acts as a judge in Sensha-dou matches.
Animeography
Girls & Panzer
Girls & Panzer: Shoukai Shimasu!
Girls & Panzer Movie
Girls & Panzer: Kore ga Hontou no Anzio-sen desu!
Girls & Panzer: Saishuushou Part 1