24 Hour Police with Big Breasts (巨乳警察じ (きょにゅうけいさつ) 24時 (じ) Kyonyū keisatsu 24-ji) is an R18 pornographic manga.[1] When Yukio Okumura accidentally brought a copy into the Cram School with him, he had to destroy it before anyone could find out he had brought it in.[2]
