@hayasaki TA always goes through lottery. For this time rd. there will be 2 rd of lottery... For the first round, each TA can only ballot 2 ticket for each day. Anyway it is too late to join TA now if i read it correctly (as the ticket only applicable to people who have joined before a certain date).
If you have already planned to pay more why not buy from YAJ/ resale shop? at lease you know where you are gonna seated at