Everlasting Solitude
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
Life has thrown you a major turnabout, everything was going fine until *that* happened and now you need help... one month later and you fell that you have a life again, even if you still have some fears. But even if you're fine, she's not, now that you've recovered from this major trauma, it's finally time to help her out...