Love the right person in the wrong way at the wrong time.
All "pretends" are just to get closer, but in the end they become the source of destruction.
The biggest tragedy between them is not "lack of love", but "it's wrong from the root" - the agreement between the two umbrellas is the friendship of the previous generation; the separation of the two umbrellas is the grudge of the previous generation. From the day they met, they were standing on a bridge destined to collapse.
Concept: Depression is not terrible