>>281767046
It's the Academy arc nigga.
The Casual Arc is Part 3.

>>281633745
>Did Shi kept showing her slit during the entire plan explanation?
Yea. She didn't stop showing fakesaw and fami until Falling told her to stop. She's an autist.
>When
Fumiko did say she was tasked with spying on Denji so, offscreen when she was spying on Denji