It is permissible in English for a preposition to be what you end a sentence with.
The idea that it should be avoided came from writers who were trying to align the language with Latin, but there is no reason to suggest ending a sentence with a preposition is wrong.
i understand now why so many office workers are kpop fans. you really need this type of whimsy in ur life when ure sat down for 8 hours inside a concrete room staring at a google sheet