Space
Also available as: Android mod
Most mods install on top of a fresh copy of DDLC, free from ddlc.moe. Follow the author's instructions, and keep a clean copy of the game.
About this mod
As the sun sets, Sayori tries to find hope in a world where her and [player] may drift away. Will she be able to find solace in the space, or will she be crushed by it?