Dawn of the Arcana 4 Toma Rei (2018)

In this medieval fantasy manga, Princess Nakaba of Senan is forced to marry Prince Caesar of the enemy country Belquat and becomes a hostage. While Caesar is handsome, he is also selfish and possessive, and Nakaba must face her hostile surroundings, a false marriage and her mysterious power with only her attendant Loki beside her. Nakaba and Caesar marry for the sake of peace, so no one expects love to grow between them. Just as their feelings begin to develop, Nakabas Arcana of Time shows her a vision of a young womans murder. She must decide whether to use her power to change fate.