Fate/kaleid liner Prisma☆Illya 2wei! OVA

Fate/kaleid linerプリズマ☆イリヤ ツヴァイ！魔法少女in温泉旅行

Bundled with the limited edition of the sixth Fate/Kaleid Liner Prisma Illya 3rei!! magical girl manga volume. (Source: AniDB)