Yi Lu Chao Yang (2023)

both dramas:
have a strong female lead who works hard from the bottom to the top
focuses on three main couples
romance between older guy and younger woman
workplace drama

Drama around investment
Relationship between an older mentor and his younger apprentice.
FL switches from secretary to an investor
Supportive female colleagues and mentor

"All the way to the sun" And "Dating in the kitchen " Both shows having similar age gap between female lead and male lead.

"All the way to the sun " And "Mr Sunshine" Both shows having age gap between female lead and male lead.

"All the way to the sun" And "My mister" Both shows have age gap between male lead and female lead.

"All the way to the sun" And " Crash course in romance " Both dramas have age gap between Female lead and Male lead.

These dramas are similar in the "young people struggling to survive in the big city" part. It has a very similar feel to both. But the novel has only the similarity that in both the male leader is the "boss"

"All the way to the sun" And " The rational life " Both dramas have age gap between female lead and male lead.

"All the way to the sun" And " Cupid kitchen" Both shows have age between female lead and male lead.