AI: The Somnium Files So Sejima 1 game So Sejima is a character from AI: The Somnium Files. Verified 22 Aug 2026 Appearances Games featuring So Sejima 86 AI: The Somnium Files 17 September 2019 Other characters in AI: The Somnium Files Full cast Hitomi Boss Aibo Hitomi Sagan BOSS Iris Aiba Ota Matsushita Mayumi Matsushita Pyuta Mayumi Moma
