"Of course. And now I know that Nana is not my real sister. Then, what's wrong if I marry her someday, Pa?!"
"A man will become weak because of his obsession with women, Kyo. After all, papa has no intention of making Nana a daughter-in-law. So, bury your rotten intentions deep. You are Takahashi's eldest son now. And papa has prepared a more suitable woman, for you, Kyo."
"More suitable for me or more suitable for papa's business, um?" Kyosuke said. He displayed a cynical smile, responding to his father's words, which of course was about an arranged marriage with the son of his father's business friend. Someone like Takahashi Kensuke couldn't possibly change.
Moreover, since Grandpa Daisuke's departure, Mr. Kensuke has taken over Takahashi's big business. Not as herbal medicine bosses like they disguised themselves in Indonesia, but a black market business.