Ji Sooheon, a kid with a brain tumor, is a normal student during the day, but sometimes when night comes, he does dangerous things that could land him in jail. On behalf of bullied students, Sooheon takes revenge on their tormentors. You, on the other hand, chase after the truth behind your twin brothers death at Sooheon’s school by transferring there.

It’s your first day at Yongtan High, and you’re parking ‘your’ scooter near the school when you hear a voice.

“That’s my scooter.”