Well, it could be that there was a special event at Placido del Mundo Elementary School. Maybe it was a school fair, where students sold handicrafts and food they made. There could also have been some interesting performances by the students, like singing or dancing. Or perhaps it was a sports day, and all the kids were competing in different athletic events.
The 'El fin del mundo' manhwa tells a tale of survival and hope in a world on the verge of collapse. There are characters facing challenges and trying to find a way forward in the face of impending doom.
Since I don't know the exact story, it could potentially be about a figure who met a watery end and was considered beautiful in a way that defies normal expectations. It could be a story about love and loss, where the person who drowned was remembered in a special way that made them seem the most beautiful. It might also be a story with a moral or lesson, perhaps about the transience of life and the power of memory.
A possible story about Placido del Mundo Elementary School could be that there was a mystery in the school. A valuable item went missing, and a group of clever students decided to play detective to find out who took it. They interviewed teachers and students, searched every corner of the school, and finally found that it was just a misunderstanding. The item was accidentally moved by the janitor while cleaning.