They first met at 's Summer Camp.
She also wears a pink bracelet on her right wrist, black stockings and brown long boots.
Most would say it is blatantly clear Serena likes Ash.
Ash is constantly picking on Misty in a 'boy pulling a girl's pigtails because he likes her' way, and Misty is always quick to respond to his juvenile antics with similarly immature acts of physical violence.
Also, Serena declares to Ash that she will be an even more amazing lady for him when they meet again.
When Serena begins to fall down a cliff, Ash runs after her and grabs her hand to try to stop her from falling, but ends up falling down with her in the process.