|First appearance||Past Experience|
|Occupation||Curator of Yamagato Fellowship|
Dai is the curator of Yamagato Fellowship.
After Kaito's death, she shows the Yamagato Fellowship to Kimiko. Noticing that the building is virtually empty, Kimiko asks when the facility opens. Dai tells Kimiko that they are already opened. Later, Kimiko calls Dai and informs her that they will be expanding Yamagato Fellowship online.