Prisoner

After his father dies in a car accident, Kei Oosawa is taken in by Kazuma Takashina, his father's dear friend. Kazuma, still young, gives Kei a new home and a new life. Over the years, however, their relationship twists into something dark and desperate. As Kei grows older, he feels increasingly trapped in a prison of Kazuma's making.

Kei's desire to break free and live on his own becomes an obsession. But escaping from Kazuma proves harder than he ever imagined. The bond between them, born from loss and warped by time, holds Kei captive in ways he cannot fully understand. Will Kei ever find the strength to leave his prison behind?