Cho

was a patient at the hospital Emma works at, Cho was a huge shut in before she was sent to the hospital. Cho doesnt realise it but the only reason she is alive is because she had grown infatuated with Emma, everyone in the hospital took notice giving her too much attention enough that Emma couldn't continue doing expiraments on her. Emma eventually ended up dating her to continue her kind hearted act infrint of her colleages. Cho is relatively harmless and a nice person at heart.