The Ethereal Lotus [Apothecary Diaries x Demon Slayer] Uppermoons x Reader
13 parts Ongoing You were Pairin's twin sister. Both of you were inseparable. One day, Pairin becomes ill and is bedridden for some time, and a client is asking for her personally, so you decide to take her place, pretending to be her for a day. You stay with the client, and he seems to have brought his own tea for you to try out. Little did you know that would be the last thing you'd ever do.
Next thing you know you you're in an unfamiliar world in Japan, all seems calm...that is until night falls.
Read the Author's Foreword for more context.
Got the idea from a Kny x Naruto book and decided to mix my favorite animes, let's see where this goes shall we ^u^