Synopsis

Khalil Dicaman
At a young age, he became the head of the Dickerman count family, which has prospered through the development and research of magical potions. He spends his days researching to create a cure for a disease that is spreading in his fiancée's territory.
But he is not on good terms with his fiancée.
The former heads of the family agreed to this engagement in order to find a cure, but no cure has been discovered, and the disease is still raging...
In order to win her recognition, he devoted himself to his research without sleep.
But...
(This memories...?!)
He had a tea party with his fiancée once every few months, and when he saw her face there, looking bored, he remembered.
(I'm the villain? Called Count Jealous?)