夢(ゆめ)が叶う(かなう)と喜ぶ(よろこぶ)どころか、あまりの量の(りょうの)多さに(おおさに)圧倒(あっとう)され、食欲を(しょくよくを)失った(うしなった)

Finally, the morning after arriving at Toshihito's mansion in Echizen, presented before Goi's eyes were massive amounts of yams piled all over the garden, and huge pots boiling tons of yam gruel. The moment he saw this, instead of rejoicing that 'my dream is finally coming true,' Goi was overwhelmed by the colossal quantity and suddenly lost his appetite.