DWANGO Co.,Ltd.

koizuka is an independent software publisher best known for distributing the experimental build of N Air, a live-streaming application originally developed by Dwango Co., Ltd. Designed for Japanese-speaking broadcasters, N Air combines real-time video capture, scene switching, audio mixing, and overlay management in a single workspace that resembles familiar production switchers. Streamers typically use it to broadcast games, talk shows, and virtual events to platforms such as Niconico, Twitch, and YouTube, taking advantage of integrated chat widgets, customizable hotkeys, and plug-in support for motion capture and virtual avatars. Because the program is built on an open-source fork of OBS Studio, advanced users can also extend functionality through community scripts, effect filters, and automated scene transitions, making it equally suitable for classroom lectures, corporate webinars, and podcast recordings. The experimental edition curated by koizuka incorporates the newest encoder tweaks, UI localizations, and compatibility fixes ahead of the stable channel, appealing to tech-savvy creators who want early access to performance improvements without waiting for official release cycles. koizuka’s software is available for free on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always installing the latest version and allowing batch installation alongside other applications.