Doki Doki Storm
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
Holy moly, I started writing this over two and a half years ago! :o (Feb. 26, 2018, to be exact) This has been a very long time coming, but it's finally here! Doki Doki Storm! :D (Content warnings below)