Have you watched the bl series from History2 Crossing the line??! If yes then you will totally agree with me for Choosing Heechul as Xai Yu Hao and Eunhyuk as Zi Xuan .. If no then its a must to watch if you're a BL drama fan https://youtu.be/hodGdP3ZaiI It's a love story between A volleyball player (jounior student) and the manager of his team (senior student)..