Tiyn

I was reading this one manga forgot the title for it, the manga somewhat follows the plot of a highschool girl marrying a guy and he had a kid she takes in the kid and is now divorced with him so she starts taking care of the kid she goes around trying to find a boyfriend but the kid makes them all run away and than she finds a guy in her own school who likes kid (he has a little sister i believe and wanted to be a preschool teacher or something like that) and so she trys to get him to marry her