A 40 year old doctor living in Japan is suddenly transported to another world. And as a bonus, he's regained his youth! He almost loses all hope after being sold into slavery and experiencing the worst this world has to offer when, suddenly, he's saved

As a guarantee for his cousin, Yukiya Ayase was sold at an auction and was bought by Somuku Kanou, who runs a financial firm. Ayase struggles through the fact that he's selling his body in order to repay the debt.Volume 1-14: Okane ga naiVolume special: