Nakashima Ayumi

Iori Kandono is suffering from a new illness called Monderella Syndrome, thanks to which she would suddenly experience severe pain in her chest. To make the pain go away, she can either take the medicine or get a massage by a male person. One day she forgets her medicine at home and has such an attack in school, but fortunately her classmate, Edogawa, by pure chance runs into her, and it seems he's the only one who can make her pain go away!

"Playing a greedy, man-eating villainess, but the cold-hearted Duke unexpectedly fell in love..."Grace has been reincarnated in the world of a novel as a mob character - a promiscuous and greedy villainess! According to the story, she toyed with and then abandoned the cold-hearted Duke Zane. This results in him meeting the heroine - and if they do not meet, a war would break out and Grace would die. In order to avoid a bad ending, Grace devotes herself to being a villainous character, but due to her serious personality, she fails miserably and, on the contrary, the Duke, who is supposed to say "I will never give you anything when we break up," ends up doting on her…?!Original Web Novel