Marisa once again invites Alice to go with her to the "public" library in the Scarlet Devil Mansion. Once they arrive, they find out that the librarian, Patchouli Knowledge, has teamed up with Nitori Kawashiro to build a Trap Tower inside. Marisa and Alice have to scale it using their teamwork in order to collect the books.

Marisa once again invites Alice to go with her to the "public" library in the Scarlet Devil Mansion. Once they arrive, they find out that the librarian, Patchouli Knowledge, has teamed up with Nitori Kawashiro to build a Trap Tower inside. Marisa and Alice have to scale it using their teamwork in order to collect the books.