Tetsu Hirahara

A woman with an adopted child is contacted unexpectedly by the child's birth mother.

Four years before Silent Parade (2022), Yukawa and Kusanagi investigate the murder of a writer after a video found in his possession piques Yukawa's interest.

After her beloved is killed by the Mag Mag ghost, the protagonist, Sanae, vows revenge, but soon discovers the true identity of the person she truly owes her revenge to.