Accelerator from Toaru no Kagaku no Accelerator
There are 6 type of his facial expression
And Also you can use this mod as well

https://drive.google.com/file/d/1--HGYpJ_V4fvoMh1WIiUaLmMmqAyR2k0/view?usp=drivesdk

It's accelerator voice actually
Skin Mod by Destiny
Voice is modded by Rinaldi