Leila is a woman who used to work in an office. Now, she's suddenly fallen into a new fantasy world called "The Dragon Kingdom." While falling out of the sky, she was saved by a giant dragon and decided that from now on her name is Lylac. Now she will live in the castle of the King of this nation, the Dragon Lord, and have the opportunity to work. However... the workers never take breaks and are constantly overworked! Lylac, with her kitchen servant status and knowledge of modern cooking, tries to get the staff to take breaks and enjoy lunchtime meals! In the midst of positive change in the kitchen, Lylac's soup dish accidentally gets sent to the Dragon Lord himself?! Lylac was prepared for the worst, but in audience with the Dragon Lord is told "make this soup for me every day from now on." What?! The Dragon Lord now has a taste for Lylac's cooking! An alluring fantasy story of friendships, romance, and delicious food!
“竜王国”というファンタジー世界に転生してしまったらしい、OLのレイラ。助けてくれた巨大な竜のおかげで、ライラックと名前を改め、この国の王・竜王様の住むお城の厨房に居候させてもらえることになったけれど…そこは、ブラック企業もびっくりの働き詰め体制！
現代日本の家庭料理知識で、賄い係に昇格したライラックは、休憩制度を取り入れて厨房の働き方改革を決行！ そんな中、賄い用のお味噌汁が、冷酷と名高い竜王様の元へ手違いで渡ってしまい…!? 追放を覚悟したライラックだったけれど、なんと竜王様から「毎日味噌汁を作ってくれ」と頼まれて――？
元・平凡OLが、ほっこり料理でクールな竜王様のお気に入りに！ 魅惑のあったかご飯ファンタジー、どうぞご賞味あれ♪