The Abandoned Empress
About girl who supposed to be empress but because of new girl, she was demoted to lower queen and were treated horribly by the emperor and eventually killed by him. Time travel back to 7 years before she was killed. She wanted to change her destiny.
Ikemen Sengoku - Tenkabito no Onna ni Naru Ki wa Nai ka
A girl was struck by lightning and travel back in time and meet oda nobunaga and other war lords. Makes me remember the Samurai Love Ballad Otome Game I played.
Sand and Song of the Seas
Not reincarnation-well-it is towards the end- its more to time travel. Lil sis love her brother but cannot speak of her feeling cause its incest. She got time travel to ancient egypt and caught a hot prince eyes.
Stairway of Time Webtoon
Time travel. MC seems to lead a horrible life where she see that marriage is the only escape route for her. She desperate to marry her fiance but her sister in law blackmail her with her dark past. It seem like in highschool she got boyfriend and they were a loving couple but somehow this boy change and bullied her to the point she have to move out from school and the boy commit suicide. She somehow time travel back to the time on the day she met her died boyfriend-before everything fucked up-
Free! dj - Sonogo no, Orera