Okane Ariki no Kankei desu ga  

Monetary Love, お金ありきの関係ですが

Makoto yanai, an average office worker, agreed to be his friend's guarantor for a substantial loan. however, the friend disappeared, leaving yanai with a massive debt of 30 million yen. to pay off this debt, yanai turned to becoming a call boy. eventually, he met a yakuza who was smitten at first sight and offered to pay five times his original price if yanai became his personal escort.