Both Shiki and Shirou's high schools share a senior trip destination. Unfortunately, that destination is into the home of a crazed magi and his demonic aberrations. When separated from the rest, Arihiko, Ayako, Shinji, Satsuki, and Issei must somehow band together to survive a land of horrors. Post-Ciel, Post-UBW.
Crossover - Tsukihime & Fate/stay night - Rated: T - English - Adventure/Supernatural - Chapters: 9 - Words: 37,353 - Reviews: 44 - Favs: 96 - Follows: 98 - Updated: 1/21 - Published: 3/8/2013 - Arihiko, Satsuki Yumizuka, Issei R., Shinji M. - Complete