Fuuki Iin to Fuuzoku Katsudou - Season 1

After transferring to a new school, Shinji discovers he is the sole male student. Isolated and without friends, his situation changes when a classmate named Hana initiates a conversation. His hope for a new friendship is complicated, however, when Hana reveals she participates in prostitution as a means of upholding public morality. In order to assist with her activities, she proposes engaging in intimate relations with Shinji.