Y6 P1 - New year, new posibilities

When Remus Lupin realized that he fell in love with his best friends sister, Y/N Potter, he thought it couldn't get worst. But it got, while his sixth year Sirius and Peter found out and they couldn't keep there toung behind their mouth.

This is friends to lovers story, ! no smut !

Btw English is not my first language so feel free to correct any mistakes you find