Who is Ash’s best female friend?

Who is Ash’s best female friend? Serena always knows how to make Ash feel better and constantly worries about him. Notably, she is also the female companion with whom Ash bickers the least, as they are overly cordial and even affectionate with each other.

Serena always knows how to make Ash feel better and constantly worries about him. Notably, she is also the female companion with whom Ash bickers the least, as they are overly cordial and even affectionate with each other.