17 years old. She was Belki's best friend, but it was all for the money. (Not an anti-fan, this is the original plot.) She died after being hit in the head with a brick. She comes from a poor background.

The true culprit of the incident. He accidentally strikes the brick Belki left behind, killing Mellow. He frames Belki for the crime.

A college student. He used to be close to Belki but now loathes her, mistakenly believing she killed Mellow.

An international lawyer who takes Belki's side. Although he suffers from trauma as a victim of school violence, he decides to trust Belki after seeing the look in her eyes. In his 20s.

He used to like Belki. 17 years old. Seeing Belki become increasingly devastated makes him feel depressed as well. He believes in Belki.

A profiler. He investigates Belki. In his 20s.