Hina Otsuka finally takes on a black man! Schoolgirl detective "Hina" goes undercover as a gyaru, infiltrating a bar to find a female student who's been frequently skipping school. There, she discovers the drunk girl and realizes her involvement in the case. But sensing danger, Hina attempts to retreat—only to be spotted by a black man, dragged into a toilet, and raped. She survives, but gets a creampie. Later, while walking home and pondering the case's truth, she's suddenly abducted by car—what happens next?!