Ju-Ri nicknamed as Kkaesokeum and Kong-Ju nicknamed as Okttolmae are close friends and popular figures in their school. There are various happenings such as pleasant fighting with the principal, pretty quarrel with the teacher in charge, teasing with a small male student Seulki, fresh love with Sam-Su, matchmaking of sister and art teacher. One day, the two tomboys quarrel with for trivial things and estranged from each other. When Okttolmae does not appear on the day of school beginning, Kkaesokeum regrets her faults and begins to look for Okttolmae with other friends. They find that Okttolmae quit the school and sell the eggs for domestic circumstance. Thus they begin to help Okttolmae and stir up egg troubles.

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