Isekai de Konkatsu Hajimemashita

Yuka Hasegawa's cheating fiancé has broken up with her, and she falls on the stairs on her way home after hearing this shocking news. When she wakes up, she's in a new fantasy-like world, complete with knights, magic and royalty. She decides to become a maid at the nearby castle, in order to achieve her new goal of marrying into money. This decision kicks off her quirky love story! Source: MU