Viral Stylus Pen 'Iroiro Kakeru-kun' Secures No.1 on Amazon Best Sellers, Restock Announced

Fun Standard Inc. (RKB Mainichi Holdings Group, Headquarters: Onojo City, Fukuoka Prefecture, Representative Directors: Ryosuke Oya, Hirotaka Sasamori) announced that the stylus pen "Iroiro Kakeru-kun" under its "BELLEMOND" brand ranked No. 1 on the Amazon Best Seller list on May 20, 2026, despite being in the pre-order phase.

"Iroiro Kakeru-kun" is a dual-tip stylus designed under the concept of a "comprehensive single-pen solution," compatible with a wide range of devices including smartphones, tablets, Android devices, and the Nintendo Switch. In March 2026, it gained significant attention on SNS as an ideal stylus for playing "Tomodachi Collection," with related posts surpassing 2.5 million impressions. It has also garnered attention on YouTube, attracting interest from users who enjoy precise touch controls and character creation.

Although it was temporarily out of stock, inventory has been replenished and it is now available again. The company intends to strengthen its promotion of the stylus not just for precise gaming, but for various daily scenarios such as note-taking, illustration, studying, and work.

* The product can be used with the Nintendo Switch 2, but due to differences in screen specifications compared to the original Nintendo Switch, the stylus response may be slightly slower. Please note that the user experience may vary.

* 1. A single post regarding this product on X exceeded 2.5 million impressions as of March 31, 2026.

A stylus for "Drawing, Writing, and Playing, all in one" Iroiro Kakeru-kun Iroiro Kakeru-kun (Amazon) Iroiro Kakeru-kun (Rakuten)

Popular Tempered Glass Film for "Super Easy Application" Monster Film for Switch * Anti-glare films have fine irregularities on the surface, which may cause the metal tip's coating to scrape off and leave marks. While these marks can be wiped away, it is not recommended to use the stylus with anti-glare films for the best user experience.

Monster Film (Amazon) Monster Film (Rakuten)

Reached No. 1 on Amazon Best Sellers during Pre-order "Iroiro Kakeru-kun" achieved the No. 1 ranking on Amazon's Best Seller list on May 20, 2026, during its pre-order period. It attracted considerable attention even before its official launch as a versatile stylus for smartphones, tablets, and gaming consoles.

Viral on SNS, Surpassing 2.5 Million Impressions In March 2026, the pen trended on SNS as a compatible stylus for "Tomodachi Collection," exceeding 2.5 million impressions. It was also featured on YouTube, further increasing its popularity among users wanting precise touch control and detailed character creation.

For Operations Where "Fingers Aren't Enough." Dual Tips Make Character Creation Comfortable Dual tips that allow switching between standard touch and fine input with just one pen. "Iroiro Kakeru-kun" features a conductive fiber tip and an ultra-fine metal tip. It is highly convenient for situations where finger operation is difficult, such as selecting small parts, text input, illustrations, and taking notes.

* While this product supports various devices, due to the nature of universal stylus pens, users may experience some latency depending on the device, application, or personal perception.

Widely Compatible from iPhone, Android to Switch "Iroiro Kakeru-kun" is compatible with smartphones, tablets, Android terminals, and the Nintendo Switch. A single pen can be used across multiple devices, allowing for seamless operation without the hassle of switching tools.

Restocked After Selling Out. Making Fine Operations More Comfortable Backed by the viral response on SNS and the No. 1 ranking on Amazon, the product was temporarily out of stock but has now been replenished. BELLEMOND will continue to offer convenient items tailored to various daily usage scenarios across smartphones, tablets, and gaming consoles. All colors are expected to be fully stocked by May 25, 2026.

Recommended to Use Protective Films with the Metal Tip When using the metal tip, it should be applied to devices with a glass film or devices with glass screens. Using it on plastic screens, such as the standard Switch, may cause scratches.

BELLEMOND Also Offers the "Monster Film" Protective Film for Switch BELLEMOND is widely supported by users for its "Monster Film" glass screen protector series, which includes products for the Switch. The expertise in protective film development cultivated in the smartphone accessory sector is also applied to peripheral accessories like "Iroiro Kakeru-kun." Currently on sale at Amazon and Rakuten.