The voucher must be used on the selected date and within operating hours; Invalid after expiration Select Use on that day only • To use an e-ticket, please use a mobile device such as a tablet or smartphone to click on the e-ticket link you received after booking, show the e-ticket to the staff, and press the "Use" button. ※E-tickets can only be used in an internet environment. Please confirm whether your mobile device has normal internet access in advance. ※Please note: Screenshots or printouts of paper tickets cannot be used. ※ If you purchase multiple tickets at once, you cannot use them separately. Once you start using them, all tickets will be used at once. If you wish to use individual tickets multiple times, please purchase them separately. ※To prevent unauthorized use, when you open your e-ticket again in a different environment than the one you first opened it in, the system will require you to verify your OTP dynamic password. Please follow the steps below to complete the verification.• Please enter an email address where you can receive emails and press the send button.• Please check your mailbox to see if you received the OTP code email. If you can't find it, it may have been filed in spam. If you still can't find it in spam, you may have entered an incorrect email address. Please re-enter the email address on the e-ticket website.• Please enter the OTP code provided in the email on the e-ticket screen and click Confirm. If the code is correct, the screen will switch to the e-ticket usage screen. ※Please note: Once the OTP is verified, the email address cannot be changed. Therefore, please be sure to enter your email address during verification.