Having reached the end of her first year of high school, Lily comes across a disgruntled elementary school girl arguing with the local cherry tree. Unfortunately, it doesn't take long after investigating this odd mystery that Lily's untroubled life begins unravelling around her.
Discovering an abandoned room at the end of the music department corridor, she learns that aside from it being completely run-down, it's also devoid of its sole occupant-Sonata Sonoda, the missing journalism club president.