Yui has always loved Koutarou to the point that she became the manager of the athletic team. One day Koutarou confessed to her and they become a couple. Will there be heaven or hell waiting for Yui?

Yui has always loved Koutarou to the point that she became the manager of the athletic team. One day Koutarou confessed to her and they become a couple. Will there be heaven or hell waiting for Yui?