Kouki and Shiori are high school students who fall in love for the first time during April while surrounded by dancing sakura. Their initial experience with these new feelings is as uncertain as the lightest breeze that accompanies seasonal changes. Despite this, each day brings a fresh stirring to their first love. As they explore the city together through rainy streets and Ferris wheel rides, the bond between them grows stronger over time. This story follows Kouki and Shiori's journey during the first six months of their relationship.