Hanabi wa Samenai Yume wo Miru

Olivia, the daughter of a duke, is betrayed by her fiancé, Crown Prince Luke, and is publicly executed. However, the moment Olivia thinks she has lost her life, she wakes up as Hanabi, a high school girl in a different world: Japan. What's more, it seems that Hanabi is being bullied at school...? The story of a duke's daughter's rise to power is...