Ore no Dankon♡Sacrifice

Sixteen-year-old Toudou Jun's world is flipped upside down when he's forced to enroll in an all-girls school to pay off his family's staggering four-billion-yen debt. The twist? The student council is secretly made up of boys in the same predicament. Exposing their true identities would mean social annihilation, but sticking around might be even worse...!

(Source: Seven Seas Entertainment)