Link-U Group Inc. operates in the internet service business in Japan, developing and operating manga apps. It also provides marketing services, including planning, management, and consulting for promotions using VTubers and streamers, and supports the introduction of DX across fields ranging from manga apps to government systems. The company operates Bookhodai, a manga and magazine service for individuals and businesses such as beauty salons and manga cafes, and Yureshiru, an earthquake disaster prevention app. It additionally offers IT consulting for digital transformation support to government agencies, and engages in manga production and distribution to online bookstores, overseas comic distribution, content localization and distribution contracting, and production and distribution of webtoons based on web novels. Formerly known as Link-U Inc., it changed its name to Link-U Group Inc. in February 2024, was incorporated in 2013, and is headquartered in Chiyoda, Japan.