Yuri is 'NGSB', yes she is a lesbian. She really want to have a girlfriend right now but her fate didnt want to. 

She has a huge crush on her neighbor's daughter named Im Jin Ah also known on her nickname Nana. Yuri has a crush on her since she was a child up until now. She want to confessed her feelings when they hit colleges but she is scared in Nana' father, which is a police by the way. Also her family life status is not rich as Nana's family. So she made a promise to herself that she will study hard and became a lawyer to make her and her family lift from being a middle in this society and also make Nana her girlfriend and eventually, her wife.