The 'kickin it love story' could be a unique tale where the concept of 'kicking' plays a significant role in bringing the two lovers together. Maybe one character is a master of a kicking - based discipline and the other is a novice. They start off as teacher - student and gradually fall in love as they spend more time together training, sharing their dreams and fears related to this kicking activity.
Some 'kickin it fanfiction' could be about alternate universes. Picture a world where the dojo has a completely different set of rules or the characters have different powers. This type of fanfiction allows for a lot of creativity and unique plotlines.
There's a fanfiction called 'Friends Forever'. It focuses on the strong bond between the characters. The author does a wonderful job of showing how they support each other through thick and thin. It's full of heartwarming scenes and a bit of humor, just like the show.
One interesting storyline could be about the characters facing a new martial arts challenge in their town. Maybe a group of tough opponents come to town and the Kickin It crew has to train hard and use new techniques to defeat them.
Jack is a great character to focus on. He's the main character, so there's a lot of material to work with. His growth in martial arts and his relationships with the other characters are rich areas to explore. For example, you could write about his struggle to master a new move and how his friends help him.
You could write a Kickin It fanfic about a mystery that the characters have to solve within the dojo. It could involve a series of strange events like things disappearing or strange noises at night. And they have to use their martial arts skills and teamwork to figure out what's going on.
I don't have enough information to say who the main characters are. It could be two young people who are passionate about some form of kicking - related activity.