Ryoushin no Shakkin wo Katagawari shite Morau Jouken wa Nihonichi Kawaii Joshikousei to Issho ni Kurasu Koto deshita., Boku to Gal ga Fuufu ni Naru made Recommendations
Read these if you like stories about poor, debt-ridden teenage male protagonists (worse, abandoned by their parents) getting saved by rich, mysterious female benefactors (complete with arranged marriage proposals) thrown into the mix.
