Yuna Ichihara's spring break turns sour after bidding farewell to her best friend, Sacchan, who is relocating. However, her mood brightens up on her way home when she encounters a boy who resembles her first love from a shoujo manga. Upon befriending her neighbor, Akari Yamamoto, Yuna finds herself in a unique predicament. When they start attending the same high school, Yuna takes an interest in Akari's brother, Rio, the enigmatic and charming boy she met during her break. In the same vein, Akari begins falling for Yuna's carefree childhood buddy, Kazuomi Inui. Unfortunately, their differing personalities and complicated relationships create roadblocks, making it difficult for them to pursue their love interests. To clear the air and unravel the mysteries that surround them, the friends must confront their inner demons and unearth the secrets hidden within them.