Bondage Demon Cum Aisu Kokoa

It is a Japanese house in Gunma prefecture, far from Tokyo. There is a poor but innocent girl who lives with her biological father and lives happily. The girl's name is Kokoa. Her small face and big, sharp eyes are impressive, and she is still young but has a strong breasts, making her an idol-like girl who is irresistible to a loli lover. However, she is sold to a man who is in debt and is forced to do bondage and training sex...