Fate/kaleid liner Prisma☆Illya 2wei!: Mahou Shoujo in Onsen Ryokou
English name: Fate/kaleid liner Prisma Illya 2Wei!: Magical Girl in Hot Springs Inn
Genres: Comedy, Fantasy, Ecchi
Type: OVA, Episodes: 1
Aired: Jul 25, 2015
Studio: SILVER LINK.
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Based on the manga by the same name by Hiroyama Hiroshi, itself a spin-off of the Fate/stay night erotic visual novel by Type-Moon.

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

(Source: AniDB)