Proong Nee Mai Sai Tee Ja Ruk Kan 2005 (Thailand), also known as Tomorrow It's Not Late to Love Each Other, Prung Nee Mai Sai Tee Ja Rak Gun, Proong Nee Mai Sai Tee Ja Ruk Khun is Thailand drama premiere on Aug 1, 2005 on Channel 5
Fai's sister is married to Tux's father so they became in laws. They didn't know each other but ended up meeting at a local market. She also moves into his family's house. Praedao or Prae, a rich girl, is dating Kawin or Win, who is a player. Sai who is Tux's younger sister went to the same university as Win and had a big crush on him. One day Win and Prae had a date together, but he got a call from another girl. Prae was furious and she left Win. Prae's car was out of gas so she walked out. She coincidentally meets Tux and they both ended up getting some gas for her car. After that, they started seeing each other often. Rich girl Prae would help Tux out and Fai would often get jealous and be short tempered.
Fai meets a guy named Toey and they became great friends, but he fell in love with her and she didn't feel the same. Win used Sai as a rebound but she didn't care since she loved him too much. Meanwhile, Tux was also dating Prae. Eventually their relationship became rocky because of Win, and Fai and Tux got even closer. They did a lot of things together where her feelings grew more for him, but he never noticed. Will Tux stay with Prae or choose Fai? Will Win move on from Prae and give Sai a real chance?
(Source: AsianFuse Wiki)