Why the title of Erased use serif and sans-serif together as fonts?


Here is the title of the series and the 9th episode. They used a combined
fonts type. Is there any reason for this?

[![enter image description
here](https://i.stack.imgur.com/kT0W6.jpg)](https://i.stack.imgur.com/kT0W6.jpg)

[![enter image description
here](https://i.stack.imgur.com/NCPz1.png)](https://i.stack.imgur.com/NCPz1.png)

