April of 2020. In the season, when cherry blossom petals dance in the wind... In one city, a crimson red dead body was discovered. It was in such a horrific state that it was obvious at first glance. The subject has become very hot on television, the Internet, and social media. The cause is that there have been numerous similar accidents in the past. It should have been something that appeared only in the media... And yet "something" has started to stir just behind certain women.