Seri has fallen in love with her neighbour, Kou who is a year older than her for a long, long time. But apparently, Kou likes her sister, Nana, who is so beautiful she is considered the queen of the neighbourhood. So of course Seri has to make the first move in order to make sure she could beat her sister in this game of love... But Seri is shy and she has no courage to confess her love. She seeks guidance from her classmate, Ikushi. Ikushi who also interested in Nana supports Seri fully, thus she decided to stop Kou from confessing to her sister. The war of love has begun. Who would be able to survive until the end?!

Seri dah lama menaruh hati pada jirannya, Kou yang setahun lebih tua darinya. Tetapi rupa-rupanya Kou sukakan kakak kandung Seri, Nana yang merupakan gadis paling jelita ala-ala permaisuri di bandar mereka. Dan pastinya Seri perlu mengambil langkah terlebih dahulu untuk menandingi kakaknya dalam permainan cinta ini... Namun Seri malu dan tiada keberanian untuk meluahkan perasaan. Seri beralih kepada rakan sekelasnya, Ikushi untuk berbincang dan mendapatkan nasihat. Ikushi yang juga meminati Nana menyokong penuh Seri lalu gadis itu mengambil keputusan menghalang luahan cinta Kou. Bermulalah perang cinta. Siapakah yang mampu bertahan hingga ke akhirnya?!

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