Rimuru, who is teaching Shizu's students as a substitute at the Kingdom of Ingrassia's Freedom Academy, takes part in an orientation in actual field combat in the school's annual outdoor training event. Transfixed by the prize he gets if he wins, he accepts a challenge by the teacher Jeff. However, an enemy appears before the students...
Gastrollen:
Miho Okasaki(Rimuru (voice)), Chikahiro Kobayashi(Ranga (voice)), Megumi Toyoguchi(Raphael (voice)), Kanehira Yamamoto(Riguldo (voice)), Sayaka Senbongi(Shuna (voice)), Haruki Ishiya(Rigur (voice)), Jun'ichi Yanagita(Kurobee (voice)), Atsushi Ono(Kaijin (voice)), M.A.O(Shion (voice)), Gen Satou(Gale (voice)), Shizuka Ishigami(Ryota (voice)), Koichi Soma(Galm (voice)), Ayaka Asai(Kenya (voice)), Haruka Shiraishi(Alice (voice)), Azusa Tadokoro(Chloe (voice)), Hiroki Maeda(Subordinate B (voice)), Masaki Terasoma(Guratol (voice)), Yōji Ueda(Gesdar (voice)), Hiroyuki Kinoshita(Jeff (voice)), Mikako Komatsu(Tiss (voice)), Arisa Sakuraba(Ulamuth (voice)), Tarō Kiuchi(Kashira (voice)), Hinata Tadokoro(Subordinate C (voice)), Shunichi Maki(Subordinate A (voice)), Reigo Yamaguchi(Subordinate D (voice))