The explosion sent the other students hurtling in multiple directions. If it were any other regular explosion, they would've been able to defend themselves from it. However, the explosion was all too sudden that they weren't able to brace themselves. It was an embarrassing sight to see, and the students who were caught up in the explosion were ashamed of themselves. The moment they picked themselves up, they couldn't look anyone in the eyes due to how ashamed they were.
Once the cloud of smoke settled in, two figures appeared in the middle of everything. It was easily recognized that the two of them were the cause of the explosion.
Finally, we'll get to see the story behind these guys heuheu