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Maru gets irritated by Min Woo's every move; Kim An is absent from class for no reason which leads to worries.
Minwoo makes a plan with Joo Hyuk's friend to make Maru jealous; while Kim An's friend continuously brings trouble into his life.
A misunderstanding leads to Sung Min and Joo Hyuk separating; Maru and Min Woo share some good news with Lee Hyun.
Freshman year at university for three best friends. Hyun, Minwoo and Joo-Hyuk are looking forward to their freshman year at college. But little do they know of the trials and tribulations of love that await them outside the classrooms. From learning about maturity to being unable to forget the scars of past lovers, they'll have to balance both their studies and social skills as they venture off into this new journey.