Tension! Introductions

'''Tension! Introductions' (緊迫！じこしょうかい, Kinpaku! Jiko Shōkai) is the second episode of the first season of Isekai Quartet'' and second episode of the full series overall. It aired on April 16, 2019.

Summary
Now that everybody’s settled in, it’s time for the first day of school, which means everybody has to introduce themselves.

Plot
Roswaal L. Mathers takes position as one of the school teachers and introduces the "school life" rules for the students. The students are then allowed to introduce themselves to their class peers. Later after school is over, Ainz and his Floor Guardians walk on a sidewalk when they are confronted by Aqua, who explains that she cannot allow the undead to continue and attempts to use her magic to vanquish them. She fails and is immediately hit on the head by Kazuma, who proceeds to apologize to Ainz and drag Aqua away. The next day, Aqua is punished by Roswaal for trying to start a fight with her fellow students.