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Yumi Hotta
Yumi und Takeshi Obata Hotta
Hotta, Yumi; Nakatani, Andy
Hotta, Yumi; Obata, Takeshi
Obata, Takeshi; Hotta, Yumi

See also:

Hotta, Yumi/ Obata, Takeshi (Illustrator)/ Nakatani, Andy