Four Dangerous Brothers to My Rescue!

Warmhearted Lestia has resigned herself to a life of misery under the thumb of her abusive uncle. However, right when things seem to take a turn for the worst, a mysterious boy claiming to be one of her four long-lost brothers appears in the nick of time to save her. After being whisked into a life of luxury, Lestia has her doubts about taking on the Verchester name. But after the discovery of her latent magical powers, Lestia starts to accept two strange truths: She is a true Verchester, and she has a destiny to fulfill.

(Source: Tapas)