Episode 4 of the 3D hentai series Oni-Tensei continues the story of detective Reiko Kure and the mysterious Ema Nozomi. The series follows an ancient legend where a perfectly drawn tattoo can come to life, and Ema's demonic tattoo seems connected to brutal murders. This uncensored episode runs for 26 minutes and features futanari content in 3D animation. The studio behind Oni-Tensei delivers another installment of supernatural and adult-themed action. Viewers can expect more of the dark, erotic narrative that defines this series.