Monthly Excitement of What's Inside｜Wine Subscription】Served at a specialty store for over 25 years! Monthly delivery of a wide variety of wines carefully selected by the owner. GRANDCHEF opens on the subscription-specialty e-commerce mall, subsc.

Modern Management Technology Research Institute (Headquarters: Bunkyo-ku, Tokyo; President and CEO: Yuji Otsuki), which operates the subscription-based (monthly fee) online shopping mall subsc ( https://subsc.jp/ ), announced the opening of "GRANDCHEF (Grand Chef, Yasudaya Co., Ltd.)" on Friday, April 3, 2026.

What is subsc? https://subsc.jp/

- An online shopping mall specializing in "subscription boxes/regular deliveries" that deliver products once a month for a fixed fee, offering the "monthly excitement of what's inside." - Currently selling over 100 types of subscriptions, from famous stores like GODIVA, PIERRE MARCOLINI, Meidi-ya Store, and Ningyocho Imahan to subscriptions fromこだわりの specialty shops. - You can easily stop or cancel your recurring purchase at any time. It's also possible to cancel after just one use or to skip a month.

---

GRANDCHEF Opens on subsc!

GRANDCHEF is a specialty store that deals with ingredients mainly used in Western cuisines like French and Italian, as well as confectionery ingredients for baking.

They carefully select products for professionals such as restaurants, eateries, and culinary schools, as well as for individuals who enjoy baking and cooking. Their wine selection focuses mainly on France and California, featuring high-quality, high-value wines suitable for serving in restaurants.

---

Monthly Delivery of Two Wines Selected by the Owner! A Service with Over 25 Years of History at the Store Now Available on subsc

The wine subscription by GRANDCHEF.

This service, which has continued at their store for over 25 years, delivers only wines that the owner has personally tasted and approved, is now available on subsc.

Each month, they will combine and deliver two bottles, featuring special deals, new arrivals, or wines they can recommend with confidence.

Monthly Excitement of Wondering What Wine Will Arrive

### 【Wine Subscription】Monthly delivery of 2 bottles of a wide variety of wines carefully selected by the owner, a service offered at a specialty store for over 25 years!

[Monthly fee: 7,800 yen / shipping and tax included]

**《 Set Contents 》** - 2 bottles of wine (mainly from France and California) - Wine commentary

*Two types will be carefully selected from red wine, white wine, rosé, sparkling, etc. *Combinations such as "2 red wines" or "2 white wines" may also be delivered.

---

Information on Opening a Store on subsc

subsc, the online shopping mall specializing in subscriptions and regular deliveries, is currently looking for store vendors. You can open a store and list your products with "no initial fees" and "no fixed costs."

**【 Operating Company Overview 】** Company Name: Modern Management Technology Research Institute Representative: Yuji Otsuki, President and CEO Location: ICN Bldg. 4F, 2-27-17 Hongo, Bunkyo-ku, Tokyo Established: July 1965

**【 Business Content 】** - Management Consulting - Planning, development, and operation of the subscription-based online shopping mall, **subsc** (https://subsc.jp/) - Planning, development, and operation of the online shop search media, **EC LOG** (https://subsc.jp/eclog/)

**【 Regarding Business Alliances and Collaborations 】** For inquiries about business alliances or collaborations with the two services planned, developed, and operated by the Modern Management Technology Research Institute, 'subsc' and 'EC LOG', please email us at the address below.

**Modern Management Technology Research Institute - New Business Development Office** support@subsc.jp