Boku to Gyaru ga Fuufu ni Naru made

Saku Kanakura, a boy from a poor household, studied diligently and managed to gain admission to a prestigious high school. However, his achievement is soon overshadowed by the discovery of his parents' massive debt! Just as the payment deadline looms, a mysterious gal appears with an offer to clear their debt. While this seems like the answer to Kanakura's prayers, the gal has one condition in return—