It is important to note that these releases are subject to strict Japanese censorship laws (Article 175 of the Penal Code), which require digital "mosaic" blurring. For viewers in the West, these films are often accessed through licensed distributors like DMM.co.jp (for Japanese residents) or international-facing storefronts like R18.
Based on the timestamp you provided (around ), the "paper" being put together refers to the grading or organizing of student exam papers or classroom materials by the actress playing the teacher. If you are looking for specific details about this title: Production Label: Attackers (ADN series). Lead Actress: Typically features Nanami Kawakami ADN-267 ENGSUB01-49-28 Min
It looks like you’re referencing a specific scene from the adult video It is important to note that these releases