When Zin flew to London after elementary. He met a girl there, in his school. He thought she will be only just a friend, since he had you already. But he couldn’t help falling in love with her. When the girl says she’s in love with him too, he started dating her during the rest of the year, until they are now at the right time to get married. He has totally have forgotten about you, the girl/boy he once loved and promised to marry.