It’s Yomu Mishima’s Mobseka Light Novel Fanfic .
Angelica Rapha Redgrave, the duke’s daughter whose engagement was broken as a villainess daughter of Redgrave Duchy. Approximately a year and a half after her conviction, she is offered a marriage proposal.The name of his fiancée is Leon Fou, Viscount Baltfalt.He is the second son of a poor aristocrat who achieved military prowess, and is the daughter of a heartbroken duke, and an upstart aristocrat who wishes to retire.What will be the outcome of this marriage proposal?
