Because, Isn't It Love?! - Recommendations

• Vol: 17+; Ch: 68+
• 2002 - ?

Struggling with heavy gambling debts, Tetsuo Ishii comes up with a harebrained idea to sell his student cousin in an auction. Offering an unprecedented 1.2 billion yen, the highest bidder is Kanou - a successful company president. It seems that he has an ulterior motive for buying the innocent and naive Ayase, using the debt to keep the jobless student by his side. What does Kanou want from the beautiful Ayase? Does it go beyond offering him 500,000 yen a night for his body?

• Ch: 171
• 2018 - 2020

When she was 3, he was 10; she called him brother. When she was 8, she was 17; she slept with him on the same bed. When she was 17, he was 24 and she threw a shoe on his face, calling him "dad of my baby"! "What!!!" Lixing Ji, 24, male, President of Ji's Group, afraid of nobody and nothing but the little devil girl who has tortured him for 14 years. Even worse, he started to feel something else towards her...

• Vol: 1; Ch: 5
• 2005

The rumors are flying across the net; there's a jack-of-all-trades hero who'll do anything to grant the wishes of hot guys. But there's always a price. What could he possibly want in exchange?

• Vol: 1; Ch: 5
• 2018

After his single mother passes away, Ryouta finds himself buried in debt at the hands of his malicious aunt. Then, a loan shark takes pity on him and introduces him to an underground, ultra-VIP pleasure business! Once there, he meets the refined and tantalizing Keiichirou and the rough-and-tough owner of the business, Kouichirou. Before he gets his first customer, Ryouta gets pleasured, faces incredible endowment, and even experiences being a pet. But, it turns out that his body has a secret of its own! 

• Vol: 2; Ch: 8
• 1999 - 2000

After the tragic death of his parents, Yayoi was prepared to inherit the family fortune. Instead he found himself a hundred million yen in debt. With no real way to pay back the Yakuza, Yayoi tries his hardest to fight back against his recurring bad luck. Things take a turn for the best when he meets a wealthy business man named Kazuto who offers to shoulder his burden, but what's the catch? Will Yayoi remain trapped in his own personal hell, or is this really a rose colored life? 

• Vol: 1; Ch: 6
• 2017

Makoto Kanekura works hard every day to pay off his father's debt. One day, the black-market lender Manami Godai hooks him up with a lucrative job. "Every time you sleep with me, I'll slash $300 off your debt." Makoto steels himself for the worst, but it turns out he's not the bottom...! 

• Vol: 1; Ch: 4
• 2015

A high-school student narcissist Takamura has a mission to gain information through a sexy "Yakuza's mistress" who also runs a bar, Renge. Takamura believes that no one can resist his charm, but apparently, Renge is in the different league. After several seductions, finally, Renge invited him to his house and having an intimate relationship with Takamura. But instead of devouring Renge, it seems like he is the who got lead on... This chest-tightening feeling, is it just usual frustration or does it mean something else? 

• Vol: 1; Ch: 5
• 2020

Hajime is a salaryman who, for some reason, ended up working in a part-time job for an adult film crew. Suddenly, he made a mistake and ruined the shoot which resulted in him having a debt..! The only thing that saved him was an invitation from Yu, the most popular gay actor, who asked him if he would like to repay the debt by appearing in a gay movie. In the end, Hajime decided to accept the offer and took the lewd test of appearing in an adult film.

• Vol: 1; Ch: 4
• 2005

A small agency “that does everything". The manager, Bun, has a very special tattoo and an affinity for smiling faces. Customers approach the manager with difficult problems and he solves them, with the fee for his services sometimes being paid with sex.

• Vol: 1
• 2006

When Nobuhiro's father dies the college student is left with a lot of debt. The only way for him to work it off is too move in with his uncle and tutor his cousin Suguru, a illness-prone high schooler.