Story
The all year round cherry blossoms is a thing of the past, and now the island is normal.
Our main character is 2nd year student of the annex school Yoshino Kiyotaka, and is in the official newspaper club, along with his sempai the school idol Morisono Rikka (the club president), his sister-like childhood friend Katsuragi Himeno, his half blood cousin Yoshino Charles, the hard working kouhai Rukawa Sara, and the energetic and of weak constitution Hinomoto Aoi.
Unlike in the past, nothing mysterious happens, but one winter day the cherry blossoms start to bloom and a mail reaches everyone's cellphone: "If the cherry blossoms start blooming, in the promised place--", with date 1951.