Decoding you (2006)

Krit, a successful CEO, has always put family and duty above his own feelings. When a scandal threatens his reputation, his mother pressures him into a fake marriage with Nont, his adopted younger brother, who has secretly loved him for years. As their arrangement begins to feel real and Nont attracts the attention of others, Krit must confront emotions he has long refused to acknowledge and decide whether he is willing to risk the life he has built for love.

Drama, Romance