It's Still Too Soon for the End Roll!

 is the 1st episode of the Endro~! anime.

Summary
On Naral Island, a wannabe hero named Yulia Chardiet and her friends, priest Ellenoar Seira, warrior Fai Fai, and mage Mather Enderstto, are all studying at an adventurer school, where they receive a new teacher named Mao. Unbeknownst to everyone, Mao is actually a Demon Lord from the future who was defeated by Yusha and her friends but was inadvertently sent back in time. Determined to prevent Yusha from ever becoming a hero, Mao manipulates an ancient ruin exploration challenge and sends Yusha's group the wrong way in the hopes of getting them expelled. Yusha ends up in a room where she finds a Hero's sword, only to end up activating a golem. Using the sword and their respective skills, Yusha and her friends manage to get back to their class and avoid expulsion.