A member of Toumon Wikipedian Club Japan. One of the Wikimedian of the Year 2023 winners (Newcomer). Main Wikis: Japanese Wikipedia, Diff (Community blog hosted by Wikimedia Foundation), Wikidata, Wikimedia Commons and Japanese Wiktionary. Interests: global Wikimedia collaborations, , partnership with GLAM, documentation of Wikimedia Movement, data visualization using Wikidata Query Service, and language preservation on various Wikimedia projects.