The tranquility of Comrade Sang Li's retired life during his predecessor's time was broken by his own act of kindness.
However, out of damn curiosity, he decided to slowly adapt to being a high school student.
As a guy who doesn't even know how old he is, Sang Li wants to understand what it means to be young.
A piece of hot knowledge, the story of personal experience is really different from the story you have heard. Especially when the name of that story is Youth.
Purpose: Once you live your life, you must understand what it means to be in your prime, and this journey is worthwhile.