The Male Lead's Sister in This Period Novel Is a Clinging Vine

Dodder is a parasitic plant that looks delicate, but is a killer among plants, known as the living King of Hell of the plant world.

One day, a little flower demon whose true form was dodder became the cannon-fodder younger sister of the male lead in a period novel. She was as fragile as dodder, had no means of supporting herself, and could survive only by relying on men...

[Synopsis to be expanded later~]

Theme: Happiness and joy