IS: Infinite Stratos 2 - Hitonatsu no Omoide
Original title: IS 〈インフィニット・ストラトス〉2 ロングバケーション 一夏（ひとなつ）の想いで
Score: ⭐ 6.85
Year & Season:
Age Rating: PG-13 - Teens 13 or older
Episodes: 1
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Synopsis
An extended version of the second season's first episode, which is under the same title.