The Quintessential Quintuplets (Original Japanese Version)

Uesugi Fuutarou, a high school second-year from a poor family, receives a highly appealing offer to work part-time as a tutor... but his students turn out to be girls from his own class!

What's more, they're quintuplets... and all five are beautiful, but happen to be problem students who have borderline grades and hate studying! Looks like his first assignment will be to win all the sisters'...