Concise version:
If you don't leave, I will never give up!
Tangled version:
If you still don't want me then, I will leave. Also, I wish you happiness!
Farewell version:
I'm leaving.
......
......
I'm waiting for you.
...
I'm waiting for you to come back!
Sumire really doesn't know how to write an introduction, so let's just read it together!
Decisively ask for cover! !