Doki Doki: Christmas Time
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
This festive mod follows the MC, Monika and their adorable daughter Miyuki throughout the week leading up to Christmas. That's it. Enjoy Christmas in January.