The subway is the place where romantic encounters happen.
"Donghai, should we break up? I think we are not suitable."
"Okay."
"Don't be sad, when one window closes to you, there will always be another window opening to you."
"Thank you, haha, but brother, we are filming a short play."
"..."
"..."
"Donghai, should we break up? I think we are not suitable."
"Okay."
"Not bad, this short play is much better than last time."
"Wow!!!!!! I really broke up this time. I was dumped by my girlfriend. How could you, a heartless person like you, do this to me? Wuwu..."
"Hey, your girlfriend dumped you? Why do I have no conscience? Please don't make me cry, okay? It's like I'm bullying you."
"..."
"..."
Concept: Falling out of love just closes the door, it doesn't matter, there is still a window open for you