I think at least one of the next steps is obvious. Riddled by guilt, and with no way to actually help Patchy get better, the koakuma will pull an all-nighter to clean the library up again.
Move aside!!SLAM!!Do you understand me!? It's Sakuya!!Lady Patchouli!! Can you hear me!?Book 55: State of EmergencyFrom the artist's Pixiv pageYou're just in the way!!