I'm so jealous of you guys that I'd change places with you if I could.
- Note: Please note that the following information is relevant to the 2005 anime.
Mari is an idol of whom Doraemon is a big fan of. After Mari disappears from a shooting, Doraemon is surprised to see her sleeping on one of the pipes in the Open Lot. She is invited to Nobita's house and she states that she wants to escape from her work. Doraemon uses Substitution Bar to swap the bodies of Nobita and Mari.
He idolizes Mari. He helps Mari escape from media by having her body swapped with Nobita.
He invites Mari to his house. He also agrees in swapping bodies with her.
While in Nobita's body, she enjoys being with them. Gian and Suneo are also fond of her.
- Her last name means "Well known around".
- Her Chinese name is 丸井瑪莉 (Wánjǐng Mǎlì) that can be translated into Mary Marui.
- Mari's desire to escape her work and be free is similar to Luna, the celebrity from the episode Suneo's Romance.