Complex sentence: She is now the wife of Takumi (in name only, for Takumi delayed their wedding because of Osaki's engagement to Ren) and, expecting a child, there are hopes that she will be able to live happily.
Split into simpler sentences: She is now the wife of Takumi (in name only, for Takumi delayed their wedding because of Osaki's engagement to Ren) and expecting a child. She hopes that she will be able to live happily.