Mercari Group Data Analyst internship (office in Roppongi, Tokyo) where interns join analytics teams on real projects across product, marketing, CRM, logistics and more. Responsibilities include extracting and analyzing large user/transaction datasets, proposing product and marketing improvements, and collaborating across teams. Requirements include Japanese (C1), basic English (A2), SQL ability (tested in selection), foundational math/statistics, experience with AI/tools preferred, and ability to join Mercari as a new graduate in Oct 2027 or Apr 2028. Selection: application → first interview with technical task (SQL) → second interview.