Tetsugaku runs a small IT service company and is currently living with Yukino, who used to work there as an office worker. They are engaged to be together. They live a modest but happy life together and were promised a bright Mirai. One day, some people with a grudge against Tetsugaku take advantage of Tetsugaku's absence and kidnap Yukino. Later, Tetsugaku receives a DVD containing a video of Yukino being pinned down and moaning. In the video, Yukino sucks on several cocks, is impregnated, and becomes a slut...