Love Across Screens
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
Follow the player and Monika as they figure out how to get her to the real world(I mean it's 2032, so it's not that hard, right?). But Monika has some secrets behind closed doors that she's keeping from him. It's up to you to save her from the hell she lives within.