Gakken
Gakken is primarily a publishing company founded in 1947 by Hideto Furuoka. The company also produces educational toys.
Series
Cartoons
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Twd Express: Rolling Takeoff
Featuring Ken Kato, Duke Ster, Ivan Sernikov, Rima, Baron Gohdam, Hydra
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Hoshi No Yuenchi
Featuring Teacher, Takeshi, Friends