At his school, Jethro is respected, good at one-on-one combat, and intelligent. Jethro is in the same class as Sara, a Solo girl who is shy, simple, and always wears her hair in a ponytail. Sara's goal in moving to Bogor was to focus on studying to enter medicine. Initially, Jethro didn't pay attention to Sara, who he thought didn't exist enough. Sara secretly liked Jethro, who at that time was dating Lea, a social girl who was the idol of many men. One day, Sara treated Jethro's injured hand, Jethro began to notice Sara's existence and the two of them grew closer.