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
A rare episode of Parfait Girls is airing on TV, and Natsuki wants to watch it! However, life gets in the way. Will this jeopardize Natsuki's only chance of seeing the only airing of the lost Parfait Girls episode?