Yatteraneeze!, book 3
Kou Akizuki et Mieko Koide1999

Fujimoto Hiroya is at the top of his class. He's the Student Council Vice President, spends all his time studying, and is the idol of all the "good girls". But the truth is, he'd trade it all just for the chance to be someone else... someone popular, outgoing and carefree... Someone like Masaki.

Masaki's what Fujimoto's friends would call an "idiot". He'd rather play soccer than study, almost never cracks a book, and is popular with all the "normal" kids. He's got flashy clothes, bleached hair and a reputation just as lousy as Fujimoto's is good.

In the summer of Fujimoto's freshman year of high school, he resolves to change his image and his life... all to make friends with Masaki. But can dyed hair, new clothes and a piercing really change a person inside?