A cute girl with a straightforward and wild personality mistakenly walked into the home of an unruly and handsome boy on her first day in a strange city. The handsome boy happened to go to the same school as the girl and were in the same class. There are also handsome seniors and cute big boys from the next class who enter the girl's life one after another, breaking the original tranquility. When the mystery of the girl's mother's life and death is solved, how will she choose when faced with love?