Ticket Sold In Advance
Noun
まえうりけん
前売り券は他の割引とは併用できませんって書いてあるよ。
It says that tickets sold in advance can’t be used with other discounts.
A ticket you sell beforehand are advance tickets. This is a ticket sold in advance. Buy your tickets early, or how else will you get in on a Conan audience?
The readings are 前 売る and 券 combined into one awkward word.