I Became a Futanari Escort
Tsukishiro Shin's life changed in an instant when he discovered that his parents had sold him. To make matters worse, scientists planned to conduct research on him. As the scientists began their experiments, a year passed. When he finally woke up, he realized that he was no longer a boy; he had transformed into a futanari. Additionally, he found himself integrated into a prominent family.
But life is not a bed of roses. The family he has become involved with is actually engaged in prostitution. Now, he must become a prostitute who provides pleasure to people of both genders.
[Note: This novel features a bisexual protagonist. If this theme does not appeal to you, please refrain from reading it.]