Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen - Tanpenshuu

Six years have passed since Urano began her new life as Myne, and so much has happened. She went from being a simple commoner to an apprentice shrine maiden, then she was thrown into the world of nobles as Rozemyne, the adopted daughter of an archduke! "But I'm not the only person with a lot going on! You can say the same for everyone else! Though, uh... I guess that's mainly because of me."

(Source: J-Novel Club)