The supporting actress quickly put on the system, the supporting actress and the supporting actor are together. I remember that the supporting actress fell off the cliff with her friend and went blind.

(Supporting Male's Industry) Supporting Male has heart disease, Supporting Female hangs wind chimes to attract the attention of Supporting Male
In the end, the supporting actress borrowed money from the supporting actor, wanting to secretly operate on the supporting actor. The supporting actor secretly contacted the doctor for the supporting actress, wanting to change the supporting actress's eyes.

Answer 1

The supporting actress was blinded because she fell off a cliff with her friend. This kind of plot was more common, usually because the female supporting character lost her vision or the function of a certain part of her body under certain circumstances, and the male supporting character happened to be able to satisfy the female supporting character's needs, resulting in emotional entanglement between the two.

In the system, the supporting actress could travel to different story worlds through the system to obtain new bodies and skills. At the same time, she would also meet different male leads. In this process, the supporting actress would gradually discover what she really wanted and find the meaning of her life in different stories.

However, the specific plot still depended on the novel itself. Different authors would have different ways of writing.