Outline

"Underground hero Eraserhead, a basement of the League of Villains has been located, your presence is required immediately!"

.....

"Sensei! You are going now? Who will take care of 1-A when you're away? How long are you going to be absent?"

"I told you, problem children, I don't know. But don't worry, I'll come back soon... for sure"

.....

"Everything is ready! Be careful, and don't forget to demand reinforcements if you ever feel it's too dangerous to handle"

.....

"What? Th-that's different from what I've been told..."

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Warning: This fanfiction contains description of gore, injuries, abuse, human experimentations and similar topics, proceed with caution if these matters upset you.

Main themes:
Dadzawa
Emotionless Deku
Immortal Deku
Rehabilitation
NO SHIPS
Hurt-comfort
Cute Eri
And some more dadzawa