Mirai has short black hair and ties her bangs back with a small hair cube clip.
Mirai is one of Hanako's friends and classmate, along with Kokoro Ogawa. She is shown as to be a bad test taker and a bit forgetful, often relying on Hanako. She is the first person to call Hanako, "Hanako-sama" because of her mature and "adult-like" traits.
She has a golden retriever named Chibi.
- The name Mirai means "future" (未来).
- Mirai's surname Sōma means "phase, aspect, countenance" (相) (sō) and "horse" (馬) (ma).
|Ōmuro family||Sakurako Ōmuro • Hanako Ōmuro • Nadeshiko Ōmuro|
|Supporting characters||Himawari Furutani • Kaede Furutani • Mirai Sōma • Kokoro Ogawa • Misaki Takasaki • Ai Miwa • Megumi Sonokawa • Miho Yaeno|
|Minor characters||Chinatsu Yoshikawa • Yui Funami • Akari Akaza|
|Amusement Club||Akari Akaza • Kyōko Toshinō • Yui Funami • Chinatsu Yoshikawa|
|Student Council||Ayano Sugiura • Chitose Ikeda • Sakurako Ōmuro • Himawari Furutani • Rise Matsumoto|
|Teachers||Nana Nishigaki • Hatsumi Kitamiya • Shihoko Azuma • Tsubasa Minamino|
|Relatives||Akane Akaza • Tomoko Yoshikawa • Chizuru Ikeda • Mari Funami • Kaede Furutani • Nadeshiko Ōmuro • Hanako Ōmuro|
|Majokko Mirakurun||Mirakurun/Kurumi • Rivarun/Raika • Ganbō|
|Minor characters||Haruka Koyama • Takane Dezaki • Hiro Takaoka|
|Cameo appearances||Aoi Isurugi • Mirai Sōma • Kokoro Ogawa • Misaki Takasaki • Ai Miwa • Megumi Sonokawa • Miho Yaeno|