Shachiku: Kuruma no Naka de Kattemasu / Punishment Van

The hentai is based on the visual novel of the same name by studio Arkham Products. Mika accidentally runs over and kills a woman crossing the road in an inappropriate place. Soon the woman dies, and Mika becomes the object of vengeance of the widowed husband, who decides to punish the offender himself in the name of justice, rather than leaving the matter to the local police. He sells his apartment and buys a huge truck, then equips it as a prison cell and lines it with video cameras. After that, he kidnaps Mika and forces her to fully atone for her guilt before him and his wife.