Who said I'm the same as before ?

Mel opens her eyes in a hotel in america. She memories like a gush of wind. She realize that there are the events that happen in the popular book " Love is everything ". Mel looks through her memories and finds out that yesterday she flirted with a men with a fiancé, and because of that the female lead doesn't like her. The female lead is a women named rain. She is to be married to Ron the male lead. Ron and Rain were childhood friend that is what lead to them getting engaged. Even though there engaged in wasn't there desicon, It was there parents, but they went with it because they loved each other. They were to be married in 4 months, but Mel didn't like that. Mel was there pen pal in Europe. Once she heard that they were engaged she got on a plain and flew to america. Mel only got to America 2 days ago. When she arrived she went to Ron to confirm the information. Ron admitted saying "They will get married in 4 months". Once she heard that she started flirting with him. Rain got super angry and slapped Mel's face. Rain shouted at Mel and said "she can't flirt with her fiancé". After yelling at Mel she and Ron left to a restaurant were they had a reservation. When they left Mel went to a hotel and spend the night there.