She is the mama, or hostess, of the "Snack Bar" Marble, located in Golden Yokocho. She appears to be the only staff within the bar. She also has connections to the criminal underworld, as she doubles as an information broker for Kaname Date about these matters.
|AI: The Somnium Files|
|Day 1: sigAI||Day 2: saikAI||Day 2: meikAI||Day 3: syokubAI||Day 3: rihAI|
|Day 4: youdAI||Day 4: jikAI||Day 5: zugAI||Day 5: syokuzAI||Day 4: syougAI|
|Day 5: seisAI||Day 6: hiAI||Day 6: sanpAI||Day 3: gumAI||Day 4: jukkAI|
|Day 4: kikAI||Day 5: jinnAI||Day 5: ihAI||Day 2: keitAI||Day 3: gyoukAI|
|Day 3: kyuusAI||Day 4: syuurAI||Day 4: irAI||Day 5: dakkAI||Day 6: kekkAI|
|Day 5: kenzAI||Day 5: jutAI||Day 5: kokkAI||Day 6: sousAI||Day 6: hakAI|
|MaiN: 1||MaiN: 2||MOUNTaiN||CHaiN|
- In a fan-made Character Poll for AI: The Somnium Files held on Twitter, Mama came in 12th place.
- Mama is one of the few confirmed LGBT+ characters in the game, alongside Renju Okiura and Futa Amanoma. Mama identifies as gender neutral, was assigned male at birth, and uses feminine pronouns.