Yumi's parents
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Yumi's parent may be an ideal couple : strongly linked, watching in the same direction, they seem to form a bloc in front of which Yumi is sometimes lonely and disarmed. Coming from Japan, they emigrated in France when Yumi was still a little girl. The family lives in a cosy home, in Paris suburb, no far from Kadic junior high school. We don't know the parents' jobs, but we can guess mister Ishiyama is an executive in a big compagny.
Quite severe, they grant a large importance to japanese traditions. Yumi is very respectful with her parents, a bit afraid-like. They have not a conniving relationship : there is a little distance between Yumi and her parents, even if they deeply love them each other.