Prince in Cardboard

Sakurako Yasui won't let growing up poor in the middle of nowhere stop her from marrying a rich man and living a luxurious life in the big city! With just one glance, she can instantly tell someone's yearly salary with her internal "paydar", but she bumps into one man whose net worth seems to be immeasurable―the unbelievably hot Toya Kujo. Sakurako is sure their meeting must be fate, but it turns out fate has other plans in store for this poor girl...

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Official Translations:
English