GRAPHT to Begin Online Reservations for "Shishiro Cup - Offline -" Special Collaboration Items from April 1st

MSY Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; Representative Director: Masaya Akiyama) aims to create relationships between all creators and communities through the products and services of its brand "GRAPHT," which is committed to the mission of "increasing the number of people who can talk about what they love."

GRAPHT will be sponsoring the "Shishiro Cup - Offline -" event hosted by Hololive VTuber "Shishiro Botan." This special two-day event will be held at Yokohama BUNTAI (Yokohama City, Kanagawa Prefecture), featuring "Shishiro Cup 4th" (Day 1: April 11) and "Shishiro Cup Offline ~East-West Rivalry~" (Day 2: April 12). GRAPHT will also bring special items prepared for this event to liven up the two days with all attendees.

Shishiro Cup - Offline - × Team GRAPHT

As special items, GRAPHT will offer the "iO Shishiro Cup - Offline - Edition" top panel (for lever/leverless, M size compatible), a collaboration between "GRAPHT REMIXERS iO" and "Shishiro Cup - Offline -." Additionally, there will be six types of 2-way collaboration buttons for Sanwa Denshi 24φ arcade controller replacement buttons, featuring key visuals from past "Shishiro Cup" events, as well as Laplus Darkness and SSRB. A reversible eye mask will also be available.

These items are available for pre-order on the official GRAPHT EC site (GRAPHT OFFICIAL STORE) from April 1, 2026 (Wednesday) 12:00 PM to May 8, 2026 (Friday) 6:00 PM.

On the days of the event, all six types of buttons and the reversible eye mask will be sold at the venue. Venue sales are available even for those without event tickets, but please check the official event announcements for details such as admission times. Payments at the venue will be cashless only. Stock for each product will be divided between Day 1 and Day 2, and sales will end once sold out on each day, so please be aware in advance.

● "Shishiro Cup - Offline - × Team GRAPHT" Special Website https://store.grapht.tokyo/blogs/events/shishiro-cup-offline

Special Collaboration Items "iO Shishiro Cup - Offline - Edition" - Collaboration Original Top Panel *Pre-order only "iO Shishiro Cup - Offline - Edition" Top Panel (Lever/Leverless, M size compatible)

Introducing "Shishiro Cup - Offline -" key visual designs (lever/leverless) for the M-size replacement panel of the semi-customizable, build-it-yourself arcade controller "iO." This special design features the "Shishiro Cup - Offline -" key visual printed on the aluminum alloy top panel of "iO." Other arcade controller parts can also be ordered simultaneously.

Those who already own an "iO" M-size can enjoy it as a replacement panel, or it is also recommended to display it as art.

*This product is available for pre-order only on the GRAPHT EC site and will not be sold at the event venue on the day.

"iO Shishiro Cup - Offline - Edition" Top Panel (Lever/Leverless) Single Product Specifications Price Lever/Leverless 14,300 yen (tax included) External Dimensions W345×D201×H26 (mm) Material Aluminum Compatibility Compatible with "iO" M size. (Not compatible with other sizes) Accessories Main unit ×1 Accessories as parts constituting an arcade controller: Magnet ×2, Silicone ring (Φ24) ×14, Silicone ring (Φ30) ×1, M4*6 flat head screw ×2 Warranty Period Initial defects only

"iO" - Build it yourself. A custom arcade controller optimized for your play style. "iO" (I/O) is the first product from "GRAPHT REMIXERS," a custom order brand that "creates" gaming devices to your liking. It is a semi-customizable, build-it-yourself arcade controller where you choose and assemble your preferred parts. With a simple, maintenance-free design that anyone can assemble from scratch, you can continue to pursue your ideal device by repeatedly replacing parts even after assembly. An assembly option service also available.

● GRAPHT REMIXERS iO Special Website https://store.grapht.tokyo/blogs/events/io-grapht-remixers

"iO" Reassembly Image 6 Types of 2-Way Arcade Controller Replacement Buttons that can also be used as Straps The Sanwa Denshi arcade controller replacement buttons, which were popular at last year's "Shishiro Botan and Christmas Fight Night II," are now available in 6 new special designs for the "Shishiro Cup - Offline -" collaboration. This time, there are 6 types in total, including 4 types featuring Shishiro Botan from past key visuals, plus Laplus Darkness and SSRB, on 24φ size buttons that are easy to use even for leverless setups. They can be used by fitting them into "iO" or as straps, making them 2-way specifications.

Shishiro Cup - Offline - 24φ Arcade Controller Buttons All 6 types (including strap part approx. 27.4×100×37.6mm) 1,650 yen each (tax included) Image of installation as an arcade controller button Image of use as a strap

Reversible Eye Mask Shishiro Cup - Offline - Reversible Eye Mask (Shishiro Botan & SSRB) 1,980 yen (tax included)

This eye mask features illustrations from "Shishiro Cup - Offline -." It is a reversible eye mask with Shishiro Botan's eyes printed on the front and SSRB on the back.

Sales Information These collaboration items will be available for pre-order on the official GRAPHT EC site (GRAPHT OFFICIAL STORE) from April 1, 2026 (Wednesday) 12:00 PM to May 8, 2026 (Friday) 6:00 PM. In addition, venue sales will also be conducted on the event days (excluding "iO Shishiro Cup - Offline - Edition").

・GRAPHT Official EC Site (Pre-order sales) Pre-order period: April 1, 2026 (Wednesday) 12:00 PM to May 8, 2026 (Friday) 6:00 PM "Shishiro Cup - Offline - × Team GRAPHT" Special Website https://store.grapht.tokyo/blogs/events/shishiro-cup-offline

・"Shishiro Cup - Offline -" Venue Sales (April 11 - April 12, Yokohama BUNTAI) Venue sales are available even for those without event tickets. Please check the official event SNS announcements for details such as admission times. Payments will be cashless only (cash cannot be used). Stock for each product will be divided between Day 1 and Day 2, and sales will end once sold out on each day.

Venue Benefits