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The series is composed of four protagonist.

Nori: An energetic, upbeat girl who was heartbroken sometime ago due to her childhood friend. Now she is headed to meet Haruna, the lonely kid she always played with back then, but to her big surprised grew up into a hunk.

Kyou: The school's prince. From a distinguished family: he is handsome, smart, athletic and rich. He has never struggled for anything in his life, be it money or women. Haruna's sudden return throws him off momentum.

Saeka: She, Nori and Kyou are childhood friends. She is mature, composed and understands the two quite well. Although beautiful, she has been in love with her teacher since middle school and therefore never gone out with anyone. Will her feelings be answered or will she find an unexpected love around the corner!?

Haruna: The boy who comes back after having been away for many years. His reason for returning is unknown. The guy who’s clouded with mystery shows interest in Nori. Does he really like her or is there something else behind it…

Summary: Nori Sakurada is riding her bike one day, when she meets up with a boy she used to know when she was little. He has grown, but doesn't look very happy…

Also contains a side story called Himitsu no H-kun in vol.1:
The well-known and popular Hakozaki-kun is the dream of every girl in Miwako’s school. However, he's hiding a secret! One day while walking down the street, Miwako notices him secretly taking photos of elementary schoolers!! Could it be that the famous Hakozaki-kun is actually… a… a pervert?!