Stairwell to Sin is an audio drama that is a renewal of the Instagram Fanganronpa project, Stairwell to Sin: Death at the Devil's Door. This is a series that goes over the story of the Priestess, Rikiji's, goal to accomplish a modern-day rapture. The series currently only contains Critic's Cut and Heart's Quiver. This project is currently in development, and the cast and directors are working extremely hard to bring the project to life. Looking to release in May 2026.