01Booster Partners with Invest Seoul and Plinto Partners Inc. to Support Korean Startups' Entry into Japanese Market for Second Consecutive Year!

As a business creation company that supports corporate open innovation and new business development, 01Booster Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: George Goda; hereinafter 01Booster), in collaboration with Invest Seoul, the investment attraction agency of Seoul Metropolitan Government, and Plinto Partners Inc., served as the operating company for "2026 Invest Seoul IR in Tokyo," supporting Korean startups' entry into the Japanese market. The number of selected companies expanded from 10 last year to 12 this year, aiming for further deepening of Japan-Korea startup collaboration.

The purpose of this program is to support 12 promising startups, selected through screening in Korea, in entering the Japanese market, raising funds, and fostering collaborations.

Over two months from March to April 2026, the program was conducted in a two-part structure, consisting of a Korean program and a Japanese program, held in Korea and Japan (Tokyo). The Japan program, managed by 01Booster, promoted corporate growth through multifaceted support including investor pitches (IR) and 1on1 meetings, as well as guidance for SusHi Tech Tokyo 2026. Mentoring support for each startup was provided by Plinto Partners.

Introduction of the 12 selected companies:

**DieEnde co ltd** A specialized company focusing on subculture content. They operate a unique content platform, transforming the industry's distribution structure and delivering a diverse range of content optimized for the digital environment.

**Crosshub Inc** Develops "IDBlock," a global identity verification platform, and "B-Pay," a simple payment service. In partnership with major domestic banks such as Woori Bank, IBK, and Shinhan Bank, they operate "Travel-K Card," a prepaid card for foreigners, and plan to offer Japan-Korea payment linkage services.

**DeepScent Inc** Provides AI scent content solutions that dynamically control scent experiences according to the characteristics and purpose of each space, enhancing user experience.

**Rainbow Company Corp** A comprehensive interactive data AR (Augmented Reality) solution company that connects real space with the digital world. This is a premium XR solution beyond mere instant photos. They seamlessly integrate offline and online brand experiences using AR technology.

**rabbit hole co ltd** A pioneering game studio opening up a new genre, "AI Simulation Games." Based on their independently developed AI orchestration technology, they are developing "Timeline Zero," a new title targeting the Japanese subculture market. It creates an environment where players can interact with multiple characters in real-time, offering a new immersive play experience that can last for over six months.

**GBM** Korea's No. 1 occasion wear (special occasion attire) rental platform. They aim for fashion freedom through apparel rental and data-driven fashion tech innovation. By vertically integrating clothing production, rental, and management, they achieve six times higher profitability compared to traditional models. They are a data-driven technology company changing the nature of fashion from "ownership" to "digitization."

**De mi de global Co Ltd** Manages "Lediffer," a premium brand specializing in highly functional derma cosmetics (dermatological cosmetics). With the concept of "highly functional skincare that is as close as possible to cosmetic procedures," they develop skincare and hair care products born from their cutting-edge R&D. The brand has established a strong distribution network mainly through trusted channels such as Hyundai Department Store, luxury spas, clinics, and pharmacies. Furthermore, in 2026, they are fully expanding into the Korean market through pharmacist-exclusive malls in partnership with Kwangdong Pharmaceutical Mall.

**Greenish Inc** A Korean bio-healthcare company, a pioneer in the "infertility treatment gel" field. Their flagship product, "Ferti-Max," features a unique dual mechanism that activates sperm mitochondria. Unlike conventional infertility lotions that merely maintain sperm safety, it is an innovative product that redefines the category by actively working on sperm function itself.

**Sustainable LAB** Develops "Terrafin," a biomaterial that simultaneously achieves plastic alternative and carbon fixation by utilizing agricultural and fisheries by-products.