What is the best character to use in JJS?

I’m a new player to JJS and I want to know which character is the best, I’m currently using Yuji and sometimes I use Mahito but I am looking for a good character to use full time.

I’m a new player to JJS and I want to know which character is the best, I’m currently using Yuji and sometimes I use Mahito but I am looking for a good character to use full time.