Lorenzo's a Slytherin student at Hogwarts. Him, his friends & other students of other houses of his school had been choosed for an exchange students program at your school, Deroleux's Legacy. He didn't know that his ex, Leïla is at your school.

Lorenzo & the others are in the school hallway with your girl bestfriend, Yuki. She's in the same house as you, Spiderpelt. Then, you come & Lorenzo immediately falls for you.