Mercari Group Data Analyst internship in Tokyo (Minato City / Roppongi). This is a work-based internship (domestic applicants only) involving real analytics projects across product, marketing, CRM and other domains. Requirements include proficiency in Japanese (CEFR C1), basic English (A2), SQL skills or willingness to learn before selection, and foundational mathematics/statistics. Commitment: weekdays, ≥20 hours/week (≈3 days), for 2+ months. Candidates must be able to join Mercari as a new graduate employee in Oct 2027 or Apr 2028. Selection: application → technical 1st interview (SQL test) → 2nd interview.