The poisonous girls searching for someone to love.

One night, a young girl by the name of Cardia, who is seen by many as a monster because of the corrosive poison
that flows through her body, encounters a young man who introduces himself as a gentleman thief.

That man, Arsène Lupin, then absconds with Cardia and whisks her away to Steel London.

And as she encounters a myriad of different people in strange and wondrous lands and new mysteries begin to unfold–

What will the girl many call a monster find at the end of her adventure–?

The girl who was once called a monster finally discovered love.

The joyful days that followed with those 5 gentlemen were what she had been yearning for–

And the future that could be with [him].

What sort of future awaits for the girl who discovered love…