A Chance Encounter with the Twelve Zodiac Manga Heartthrobs

A Cold, Stoic Young Boy, You Know?

Help Me Find a Title! Looking for a School Story

The male lead's family deals in fakes. He transfers to the school, carries a gun, and is skilled at imitating other people's handwriting. He's extremely conservative. I can't remember whether the female lead's father is the school principal or a teacher. In the end, the male lead becomes a cultural relic restorer, and the female lead becomes a pilot!!!