Kwa Ja Roo Dieng Sa

Chaiya is a playboy who is not as rich as Thip. Thip is a naive girl who goes to a girls school. Her family is very rich. One day, there was a festival at the school. Thip was in the parade when Chaiya saw her and fell for her beauty. He was trying to flirt with her, but she was naive and inexperienced and did not know that Chaiya didn't really love her. She fell for him. One day Chaiya went on a date with her, they went to a sunflower field, then it started raining. Chaiya led her to a small house and seduced her. They slept together and she got pregnant. (Source: AsianFuse Wiki)