The Way of the Osaka Loan Shark

(from ebookjapan):

"I will become the best financier in Osaka!"

Tatsuyuki Haibara, unemployed after his company went bankrupt, decides that finance is his true calling and goes to work as a salesman for the finance company Teikoku Kinyu (Imperial Finance).

However, it is not a sweet job, and Haibara is confronted with various human dramas and underworld situations related to money, such as a woman who became a soap opera star by shouldering a debt, a man who got involved in fraud, and a confrontation with an underworld moneylender...

The story is set in Osaka, the commercial capital of Japan, and is the first in a series of Osaka Finance manga!