Fate for Rent.

The main character Rita is kind and sweet young woman, who can’t say “no” and is ready to help anyone who asks, and therefore is constantly being used by her family and friends. Her sister Olga is pursuing a career, leaving her children to Rita; her love interest Vlad uses her by borrowing money and never giving it back, and also by getting Rita to do his work; Rita’s mother Nina is thinking only about her questionable business. Rita herself, while being a talented inventor of modern gadgets, is a freelance employee at an advertising company, where Olga is a creative director. Olga gets fame for all Rita’s inventions. One day, everything changes.