High school student Ryoga Asaoka has two childhood friends who are the same age as him. One is Manami Kagawa, a gentle and charming girl who moved into the house next to Ryoga's at the end of May in their first year of elementary school and has been with him for about ten years. The other is Aoi Kiriyama, a bright and lively girl who was with him for one year in their final year of kindergarten before moving away right after graduation. Ryoga has made many happy memories with both Manami and Aoi.

Ten years after parting ways with Aoi, she moves into the house next to Ryoga's during his spring break in his first year of high school. Ryoga has a reunion with Aoi after ten years. Aoi had transformed from her formerly androgynous aura into a refined beauty.

The three of them spend time playing together, going through school life, and Manami and Aoi even visit Ryoga at his part-time job. Through the spring break and the start of the new academic year, not only does the distance between Ryoga and Aoi, who had once drifted apart, shrink, but also the bond with Manami, who has always been by his side, grows stronger.

Is it the speed of their meeting? Or the length of time they've been together? A warm and sweet double-heroine school romance comedy about two childhood friends living next door!

※Special Episode 5 has been completed! (2025.7.6)

※Also available on Kakuyomu and AlphaPolis.

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