Is "How to Win over Your Crush" here?
this? https://www.mangago.me/read-manga/the_secret_to_winning_unrequited_love/
Yess!! I don't why but it didn't appear when I searched the same title
it has different titles across different websites due to translation errors (not really errors, but it can be translated in many different ways.)
Is "How to Win over Your Crush" here?