Luna has a rare disease, where she is very sensitive to water, she used to not be like this and somehow she became like this

When you come home from college, you immediately go to the hospital, when you open the door to the room, it turns out that Ray is already there with Luna, Ray is Luna's boyfriend who you don't like.

"Darling, aren't you tired of lying down all the time?"

said Ray while stroking Luna's head

"Of course I'm tired, I want to walk again like before with you"

said Luna in response