Erina is an editor for a romance novel written by Yayoi. Because of his prank she ends up inside it. Working as a maid for a noble, she has to find the "Forbidden Fruit," to escape. Seeing the situation, Kiito, Yayoi's brother, also jumps inside the novel to save her.

Literary editor Erina suddenly finds herself stuck in another world: the world of famed romance novelist Haru Yayoi’s most recent book, that is. Yayoi gives Erina an absurd order -- enter the story and spice it up! That’s how Erina finds herself turned into Ellie, the lady in waiting to the duchess. And somehow, she also ends up needing to collect the ingredients to make the legendary "Blue Forbidden Fruit." The fate of the kingdom depends on it! Unbeknownst to Erina, Yayoi’s younger brother Kiito follows her into the story, and the two meet there for the first time... A fantasy story about finding one’s true love within the pages of an unfolding romance novel!
スランプまっただ中の小説家・やよいはるが執筆中のロマンス小説の世界にトリップしてしまった恋に奥手な編集者・瑛莉菜。小説の世界で動き回って話を面白くしてこいというやよいの無茶な指令によって公爵の侍女・エリーとして国の存亡が懸かったアイテム「禁断の青い果実」の材料を集めることに――!? さらに彼女を追いかけて小説の世界にやってきたやよいの弟・稀斗と思わぬ形で出会って……。ロマンス小説の世界で真実の愛を探すラブファンタジー、開幕の第1巻！