ふしぎ遊戯 | Synonyms: Mysterious Play, Curious Play

Story & Art by: Watase Yuu 渡瀬悠宇
Genre(s): Genres: Action, Adventure, Drama, Fantasy, Historical, Romance, Shoujo, Harem, Gender Bender

Synopsis: Miaka, a regular girl in junior high, is transported into a fictional version of ancient China through a mysterious book. She encounters base villains and dashing heroes, and still manages to worry about her grades and where her next banquet is coming from. - Viz Media

Dunno who shared these originally to credit

Fushigi Yûgi (VIZBIG Edition) Vol 01 = A Collection of Volumes 1 - 3
Fushigi Yûgi (VIZBIG Edition) Vol 02 = A Collection of Volumes 4 - 6
Fushigi Yûgi (VIZBIG Edition) Vol 03 = A Collection of Volumes 7 - 9
Fushigi Yûgi (VIZBIG Edition) Vol 04 = A Collection of Volumes 10 - 12
Fushigi Yûgi (VIZBIG Edition) Vol 05 = A Collection of Volumes 13 - 15
Fushigi Yûgi (VIZBIG Edition) Vol 06 = A Collection of Volumes 16 - 18

https://myanimelist.net/manga/84/Fushigi_Yuugi

Anime: https://nyaa.si/?f=0&c=1_0&q=“Fushigi+Yuugi”|“Curious+Play”|“Mysterious+Play”

Other Watase Yuu Manga: → Ayashi no Ceres | Ceres: Celestial Legend Volume 01-14 Complete https://nyaa.si/view/1122587