100% Era imagines the post-corona future. How the lives of kids born during the pandemic will look like? What will humanity and teens look like in 2044? Our teenagers living in a more competitive world, where the world no longer needs human hands. For humans, the competition to rise to the top is intensifying. How to secretly love children in the era when schools disappeared and contactless. Hee Jae and Shi Dae attend the same top rank education academy. It focuses on training kids to score 100% on tests, while kids who score below 90% get expelled. In such an environment, Shi Dae and Hee Jae spend their teenage years and grow together.