Naka nai to Kimeta Hi (2010)

Workplace bullying.

Both are about bullying. One happens in school and the other in a company.

Workplace and school bullying.

The main character is bullied by her best friend in workplace. Because of something that happened in school.

The two dramas have bully in workplace.

Co-workers sabotages the work of others.

The main character in the two dramas got shocked about the cruelty in workplace.

The boss in the two drama don't mind about the main characters.