"Which Division will you entrust your skin concerns to? Hypmai Skin Care Campaign" Hypnosis Mic x Collarich Collaboration starts May 8th – Get limited trading cards and acrylic stands by purchasing eligible products and participating in SNS campaigns!

Kyusai Co., Ltd. (Headquarters: Chuo-ku, Fukuoka; President: Junro Ishikawa) will launch a collaboration campaign titled "Which Division will you entrust your skin concerns to? Hypmai Skin Care Campaign" between its collagen (*1) skincare brand [Collarich] eligible products and the hugely popular music-based character rap project "Hypnosis Mic -Division Rap Battle-" starting Friday, May 8, 2026.

This campaign offers limited trading cards upon purchase of eligible products at the company's official shopping site, various malls, the cosmetics and beauty product mail-order site "morecos+", three HMV&BOOKS stores in Tokyo, Osaka, and Fukuoka, and approximately 500 general supermarkets and some drugstores. Additionally, 200 participants who post about the product and their impressions on social media during the same period will be selected by lottery to receive original acrylic stands.

Campaign Website https://www.kyusai.co.jp/shop/pages/colarich-hypnosismic-cp

Campaign Overview This campaign offers limited trading cards when you purchase eligible products from our skincare brand "Collarich" during the campaign period. The type of trading card you receive will vary depending on the purchase location, including our official shopping site, various malls, the cosmetics and beauty product mail-order site "morecos+", three HMV&BOOKS stores in Tokyo, Osaka, and Fukuoka, and approximately 500 general supermarkets and some drugstores. Don't miss this special opportunity!

Campaign Name "Which Division will you entrust your skin concerns to? Hypmai Skin Care Campaign"

Period Friday, May 8, 2026 – Friday, July 31, 2026

Eligible Products - Collarich Azelaic Acid (*2) Beauty Serum (Collarich AZ6 Serum) - Collarich GL Serum - Collarich BTL Serum - Collarich EXSM Serum - Collarich FL Serum - Collarich RTN Serum - Collarich PP Serum

Sales Locations and Benefits ● Our Official Shopping Site / Various Malls Purchase one item from the 7 eligible products / 3 courses and receive one trading card (character-specific).

[STEP 1] Select an "eligible product/course" that matches your skin concerns. [STEP 2] Purchase the eligible product. [STEP 3] Receive one random card from the eligible division's cards (A/B courses have 9 types each, C course has 3 types) for each course.

- Our Official Shopping Site https://www.kyusai.co.jp/ - Kyusai Official Amazon https://www.amazon.co.jp/stores/page/2B6CF198-6B3F-48CF-8E49-0F38939FAF12?channel=collabo - Kyusai Official Rakuten Ichiba Store https://soko.rms.rakuten.co.jp/qsai/c/0000000243/

* One card will be distributed randomly. * Limited quantity, distribution will end once the planned quantity is reached. * Amazon sales will be sequential, and the page may not be displayed before sales begin.

● morecos+ Purchase one eligible product and receive one trading card (character-specific) plus an HMV/morecos+ exclusive postcard.

- morecos+ https://morecos.hmv.co.jp/news/article/260417118/

* One card will be distributed randomly. * Limited quantity, distribution will end once the planned quantity is reached.

● HMV&BOOKS (Tokyo, Osaka, Fukuoka) Purchase one eligible product at participating stores and receive a set of two trading cards (division-specific) plus an HMV/morecos+ exclusive postcard.

<Participating Stores and Period> - HMV&BOOKS SHIBUYA (Shibuya-ku, Tokyo) May 8 (Fri) – May 17 (Sun) - HMV&BOOKS NAMBA (Osaka-shi, Osaka) May 12 (Tue) – May 25 (Mon) - HMV&BOOKS HAKATA (Fukuoka-shi, Fukuoka) May 8 (Fri) – May 17 (Sun)

* Periods vary by store. * Limited quantity, distribution will end once the planned quantity is reached.

● General Supermarkets / Some Drugstores Purchase one eligible product at approximately 500 participating stores and receive a set of two trading cards (division-specific). Please check the "List of Participating Stores" on the campaign website for eligible stores.

* Periods vary by store. * Limited quantity, distribution will end once the planned quantity is reached.

SNS Collaboration Project Kyusai Official X account "@kyusai_official" will be...