Mari started dancing at the age of four in Kobe, Japan, and then continued her training from 2010 to 2011, at the John Cranko School in Stuttgart. In 2012, she joined the Rudra Béjart School Lausanne and became company member with the Béjart Ballet Lausanne in 2013.
She danced lead roles in Maurice Béjart’s Ballet for Life, Gaîté parisienne, The Ninth Symphony, Béjart fête Maurice (Bhakti III), The Magic Flute, Nutcracker (Grand Pas de deux), Brel et Barbara, 7 danses grecques, Don Giovanni, Wien, Wien, nur du Allein, Symphonie pour un homme seul (in the role of the Woman). She took part in the creation of Gil Roman’s Kyôdaï, Tombées de la dernière pluie, Impromptu…, t ’M et variations… and Tous les hommes presque toujours s’imaginent) and danced one of the roles in Syncope.
She took also part in Julio Arozarena’s Fais ce que tu veux avec ces ailes and Yuka Oishi’s 空Ku. In 2017, she participated in the creation of Dixit, a piece written and directed by Marc Hollogne with choreographies by Maurice Béjart and Gil Roman.