Jin Koishikawa

Jin Koishikawa is Miki's father and an accountant who works at a bank. He married Miki's mother Rumi after breaking up with his old girlfriend Chiyako and helping Rumi over her own break up with her boyfriend Youji. They moved to England and had Miki

there, then returned to Japan. Later, he and Rumi re-encounter Chiyako and Youji, reach an agreement, and swap spouses. In the anime television series, Jin Koishikawa is voiced by Hideyuki Tanaka in Japanese and Will Barret in English.

Physical appearance
Jin has black hair and an angular face.

Relationships
Miki Koishikawa -Miki is his only daughter that he had with Rumi.

Rumi -Rumi is his ex-wife.

Chiyako -Chiyako is Jin's current wife.

Saku Koishikawa - Saku is his son with Chiyako.

Appearances

 * Marmalade Boy
 * Manga
 * Anime