Boku wa Oneko-sama no Geboku desu.

Izumi Yukiharu is a second-year high schooler. After suddenly losing his parents one day, the only thing he's inherited is a 50,000,000 yen debt?! Without a place to live, Yukiharu stumbles into a certain residential home. To repay the debt, he's designated as "their Catships' catservant"…?! The curtain raises on a somewhat peaceful, slapstick, pampered-cat comedy! --- Izumi Yukihara, high school second year. His life is completely average—until a series of unfortunate events turn his life upside down. As if losing his parents weren't enough, he's saddled with their massive debt and forced to relocate to a new residence. On the bright side, the owners of his new residence offer him a chance to repay his debt…by serving cats?!