Freshmen students are practically powerless to complain or resist any orders given by their seniors. Arthit was seemingly unstoppable, until Kongpob stood up against the abuses by the former. Continual encounters between the two developed from animosity to something much more affectionate.

This series tells the stories of lonely people in the age of social media. The residents of rooms 401 through 410 live alone. Although their lifestyles may be different, they share and confront the same problem, loneliness. For them, social media seems to be the only choice to connect and relieve their loneliness. However, in reality, their loneliness cannot be deleted.

Porsche is in danger of having his school club for taking care of stray cats and dogs shut down, by the school's Dean. So Porsche and his best friend, Pik, try to recruit Emma and her best friend, Rome. This is because Emma's uncle is the Dean. The catch--Emma loves cats but is terribly afraid of dogs. Will this be the end of Porsche's dog and cat club or the start of a beautiful friendship between everyone? Or maybe even more?

After confessing her love in elementary school to her crush, Maewnam is literally crushed when he rejects her in front of all his friends. He calls her ugly and it's at that moment that she decides to wear a box on her head. Maewnam is really damaged by those events and she hides behind the box, truly believing that she's ugly. Forced to return to school, Maewnam meets Minton and Zero. Minton is sweet, friendly, and new to the school while Zero is a notorious troublemaker who uses his fists to solve his problems. The question is: who's the boy that called her ugly all of those years ago? Is it Minton? Is it Zero? Is it another person?