Lucia thought she couldn't be cute because of her plain appearance. However, in the wake of her encounter during her childhood, she decides that she will continue to love what she loves. As she grows up, Lucia continues to make her clothes, dreaming of having her own workshop someday. She is appointed as the head of the clothing magic workshop.
The embarrassment and troubles due to the big selection are nothing if it's for the realization of the dream! In addition to her work, Lucia solves the problems of people who visit her clothing guild. In order to fill the royal capital with her wonderful clothes someday, her dressmaker Lucia's happy clothes plan begins here!

地味な容姿の自分は、かわいくなれないと思っていたルチア。しかし、幼少期の出会いをきっかけに、彼女は、自分が好きなものを好きであり続けると決心する。成長し、いつか自身の工房を持つことを夢見て服を作り続けるルチアは、友人の魔導具師ダリヤに頼まれて作った靴下がきっかけで、服飾魔導工房の工房長に任命されてしまう。
大抜擢ゆえのやっかみやトラブルも、夢の実現のためならなんのその！　ルチアは仕事のかたわら、服飾ギルドを訪れる人々のお悩みも解決していく。いつか素敵な服で王都を埋め尽くすために、服飾師ルチアの幸服計画がここからはじまる！