Keiichiro Koibuchi is a wealthy politician and the father of both Kuranosuke Koibuchi and Shū Koibuchi. His brother-in-law is Saburouta Negishi, the Prime Minister of Japan. In English, he is voiced by Charles Campbell .
Keiichiro has a wife, who has stayed with him in a long-lasting marriage.
He has two sons. His older son, Shuu, he conceived with his wife. His younger son, Kuranosuke, he conceived with a mistress.
His brother-in-law, Saburosa, is currently the Prime Minister of Japan.
His closet friend is his brother-in-law, who apparently has no problem with the fact that he cheats on his sister.
Keiichiro is a philandering husband. His most notable mistress was Italian opera diva Lina, who conceived a son with him.
Live-action Movie Edit
In the live action movie, his character is altered to be an antagonist.
- (Keiichiro Koibuchi to a cross-dressed Kuranosuke) ❝Kuranosuke. How many times do I have to say this? Don't show your face to me while you're dressed like that.❞
- ↑ Princess Jellyfish Manga Series Kodansha (2-in-1 Edition): Volume 2, Chapter 11, Page 325