Separated Yamashita's scene into a few different posts and left out the uneventful cuts.

https://www.sakugabooru.com/post/show/114569
https://www.sakugabooru.com/post/show/114562
Presumed due to proximity with other confirmed cuts. Kobayashi mentions Ohira being (right?) "after him".
https://www.sakugabooru.com/post/show/114560 Kobayashi said his scene was around here. The way the characters kind of "pop" reminds me of him

Relevant tweets:
https://twitter.com/osamukoba/status/133180257724411904
https://twitter.com/osamukoba/status/396782752248242177
https://twitter.com/osamukoba/status/12678537114
https://twitter.com/osamukoba/status/1125940217783803904

I'm pretty sure Kobayashi confirmed the scene of Ikuuru getting dressed too but I've forgotten who drew it now.

Thank you for the sources. I did not know that Kobayashi confirmed Ohira's part