In Adrien's chubby childhood, he was friends with Marinette up until she gave him the nickname "Piggy". He broke off all contact with her and aimed for self improvement so by the time high school came around, he is incredibly handsome and slightly narcissistic, but still clueless. On his first day he finds out Marinette is attending the same school as him, and she cruelly rejects every boy who professes their love to her, giving them a cruel nickname. To his relief, she doesn't remember him.
With the help of Marinette's maid Alya, Adrien builds his relationship with Marinette, intent on break her heart when the time is right. However, the closer he gets to Marinette, the more he questions his objectives.
Whose Who:
Aki - Marinette
Masamune - Adrien
Neko - Lila
Yoshino - Alya
Kojuurou - Nathaniel
Tae - Rose