Look Mai Lark See (2013)

Sutaphan and Surampha are sisters raised in a strict household, leading to very different personalities. Chanokchon, from another family, is the unloved son struggling with addiction, while his spoiled half-brother enjoys their mother’s favor. Sutaphan becomes Chanokchon’s support, and they fall in love. But as friendships turn to rivalries, a tragic love story unfolds.