Also known as: Isekai Cheat Magician: Yoiboshi no Matsuri to Majutsushi
Japanese title: 異世界チート魔術師 第13話「宵星の祭りと魔術師」
Aired with the rebroadcast of Isekai Cheat Magician. Ordinary high school students Taichi Nishimura and Rin Azuma are walking to school one morning when they are suddenly transported to a magical world.