Fate/kaleid liner Prisma Illya 2wei!: Mahou Shoujo in Onsen Ryokou

Illya and co. go to a hot springs inn, where Rin and Luvia are carrying out a secret mission. During the trip, Kuro discovers that the hot springs cause a greater drain on her mana than usua... Read allIllya and co. go to a hot springs inn, where Rin and Luvia are carrying out a secret mission. During the trip, Kuro discovers that the hot springs cause a greater drain on her mana than usual - what could be the cause of this?Illya and co. go to a hot springs inn, where Rin and Luvia are carrying out a secret mission. During the trip, Kuro discovers that the hot springs cause a greater drain on her mana than usual - what could be the cause of this?