Being raped in front of my husband - a humiliating delivery health course

Shinichi and Asami purchase a second-hand, but long-awaited, detached house. They were living happy days. One day, Asami catches the attention of Takai, who runs a delivery health service in the neighborhood, and is raped and then blackmailed, and she continues to spend many lewd days without being able to confide in her husband...