Could be a fic series
After Sam got accepted by her grandma,she immediately speeds to stop Mon from leaving with Jim as her 'baby' told Sam that her flight was today.but on the way they run into a huge traffic cause of a car accident.Suddenly Jim pointed the car that was flipped was Tee's car who was taking Mon to airport along with Yuki.
Fast forward
Mon wakes up after being unconscious for few months not remembering anything after she started working at diversity,So Sam takes it upon herself to help Mon regain her memory with the permission of Mon's parents,by giving her a trip to memory line like starting the biting game,birthday kiss,prawns,lip gloss etc
A/N:you can add other characters like Nita trying to get with Sam
as Mon doesn't remember their relationship except that Sam is her idol or Kirk/Nop helping Sam out.