Hina lives with her father in a rural town. Since her mother passed away several years ago, her father has been drowning his sorrows in alcohol, and their life has become difficult. One day, Hina visits the landlord's house at her father's request. After reading the letter handed to him, the landlord suddenly grabs Hina's chest. 'What are you doing?!' Hina exclaims in shock. The landlord replies, 'Haven't you been told? This letter says it's okay to do whatever I want with your daughter as payment for the debt.' As Hina despairs, the landlord begins to subject her to further training...
