Summer isn't over yet!

In response to requests from various quarters, we have decided to extend the TikTok posting campaign to celebrate the release of our new single "Setsuka"!

Please post your "summer memories (photos, videos, anything is OK!)" along with the official audio!

​Five people who submit during the campaign period will be chosen at random to receive a "hand-signed photo"!

*Even if you are not a member of Yamamoto Sayaka official fan club "SYC" or "SYC MOBILE", you can apply.

*The prize photo will be the cut used at the end of the "Setsuka" music video.

moreover!

If you are a member of Yamamoto Sayaka official fan club "SYC" or "SYC MOBILE", you have a double chance!

​Five lucky winners will be chosen from those who fill out the questionnaire form at the bottom of the page and will receive a wind chime painted by Yamamoto Sayaka!

Take this opportunity to upload lots of videos to TikTok and get everyone excited!

We look forward to your participation!

■ Campaign period

July 31, 2025 (Thursday) ~Submissions must be submitted by Tuesday, September 30th 

■How to submit/participate

【STEP ①】

Create your own TikTok post content and link the official "Setsuka" audio below.

◎Setsuka

https://vt.tiktok.com/ZSSB29SMD/

【STEP 2】

Please include the following three common hashtags as a posting condition.

"# Yamamoto Sayaka" "#summer moment" "#summer memories"

【STEP 3】

Mention Yamamoto Sayaka (@sayakayamamoto0714)

【STEP 4】

Complete your application by posting on TikTok!

*Winners will receiveUntil Sunday, October 5, 2025We will send you a DM from (@sayakayamamoto0714).

*Please approve the DM when it arrives.

★★★Double chance for members of Yamamoto Sayaka official fan club "SYC" or "SYC MOBILE"!

*Please proceed to 【STEP ⑤】.

【STEP 5】

"SYC" or "SYC MOBILE" members who post videos on TikTok can also participate in the campaign!

Please read the notes carefully and then apply for the "lottery entry" for each fan club.

★Number of times you can apply

You can enter one entry for each TikTok post.

Example: If you have posted twice on TikTok ⇒ Please apply twice via the "Lottery Entry" for each applicable fan club.

★How to copy TikTok post URL

1. Open the page of the video you want to share.

2. Tap the "Share" button (arrow icon) at the bottom right of the screen.

3. Select "Copy link" from the menu that appears.

==Notes==

*You can apply Nandodemo like as long as the TikTok posting URL is different.

*Private (locked) accounts are not eligible for the campaign.

*Please note that if you forget to enter the lottery, you will not be able to apply for the lottery, regardless of the reason.

*Please note that we cannot confirm or change the contents of your application after it has been completed.

*W members should choose either "SYC" or "SYC MOBILE" for each TikTok post.

*If you later delete your TikTok post or if you have left Yamamoto Sayaka official fan club "SYC" or "SYC MOBILE" at the time the prize is shipped, you will not be eligible for the lottery.

*Resale or transfer of campaign prizes is prohibited.

*The prize will be sent to the address registered on your My Page. If there are any changes to your registration details,Tuesday, September 30, 2025 23:59Please make the changes by clicking "Confirm/Change Member Information" on MY PAGE.

※ShippingDuring October 2025However, depending on the situation, it may take some time to ship.

*Please note that we may invalidate your entry at our discretion.

*Campaign details are subject to change without notice.

*Please note that you cannot change the contents of your entry after it has been completed.

*After completing your entry, you will not receive a confirmation email.

*The winning will be confirmed upon shipment of the prize.

*Please note that some or all of the images and videos you submit may be used in official Yamamoto Sayaka media.

■ Lottery entry period

July 31st (Thursday) to September 30th (Tuesday), 2025

Click here to enter the "SYC Member" lottery