M.G. Darling (Meteorite Guardian Darling) by Aqua Mizuto 3 Volumes (Complete)
Aisu transfers to Clover Academy to refuse her fiance candidates. Her ideal guy is someone like her dad who protects her mom. Then a meteorite guardian shows up with a contract. It's from the same mangaka of Milk Crown. There's only two chapters scanalated so far. Thanks to neopopo and anonymous tip in skribit.