4. IS: Infinite Stratos 2 Long Vacation Edition - The Memories of One Summer (2013)
An extended version of the second season's first episode, which is under the same title.
Release date: 2013-10-30
Episode number: 4
Runtime: 39 minutes
Cast
Koki Uchiyama
as Ichika Orimura (voice)
Yoko Hikasa
as Houki Shinonono (voice)
Yukana
as Cecilia Alcott (voice)
Asami Shimoda
as Lingyin Huang (voice)
Kana Hanazawa
as Charlotte Dunois (voice)
Marina Inoue
as Laura Bodewig (voice)
Chiwa Saito
as Tatenashi Sarashiki (voice)
Suzuko Mimori
as Kanzashi Sarashiki (voice)
Megumi Toyoguchi
as Chifuyu Orimura (voice)
Noriko Shitaya
as Maya Yamada (voice)
Ai Kayano
as Madoka Orimura (voice)
Fumi Hirano
as Squall Meusel (voice)
Yuka Nishigaki
as Autumn (voice)
Yukari Tamura
as Tabane Shinonono (voice)
Makoto Yasumura
as Dan Gotanda (voice)
Mai Kadowaki
as Honne Nohotoke (voice)
Arise Sato
as Kiyoka Aikawa (voice)
Kei Mizusawa
as Clarissa Harfouch (voice)