"By all means, do not let the bell ring..." Graduation season has come upon them, and as usual, the cherry blossoms fall to signify the new beginning. While the girls of Houkago Rakuen PreCure worry about the unforeseen future, they are visited by unexpected guests who are in trouble. When the force of time is threatened by an unknown force, graduating won't seem possible at all. But... Although one light may be weak, when 15 gather, anything will shine. Your own spotlight. From the past, in the present, to the future. From a promise, with a chance, to a miracle.