Manga Set - Five Brides (Books 1 and 2)

On the eve of his wedding, Futaro Uesugi recalls his first meeting with his beloved. Back then, he was in high school and desperately needed money. 

When he was offered to be a tutor for a girl from a wealthy family, he happily seized the opportunity to make some extra cash. 

But here's the surprise – his students turned out to be not one, not two, but five girls: five identical twin sisters, so beautiful that it's hard to look away...
He will marry one of these beauties – but which one?