Business Fish (Series)

Ebika Ise

A short biography for Ebika Ise is not available based on the provided text.

Fudou Umino

Fudou Umino, also known by the pen name Tohya Hachijo, is a significant character whose true nature and role in the story are deliberately obscured to avoid revealing crucial plot points.

Hachio Takoyama

Hachi is a supporting character in the Nanbaka series, an inmate of Building 2, and cellmate to Tora and Mike.

Mai Otohime

Mai Otohime is a middle school student from Okinawa, known for her exceptional marine sports skills and dual personality.

Rena Takeda