In the corridors of their high school, Shinobu watches Momoko move through her days, the childhood connection between them lingering only in one heart. Separate schedules and new friendships keep them apart, yet small moments of proximity remind Shinobu of the promise once exchanged beneath summer skies. As afternoon light fades, she wonders whether any trace of that early bond might still surface for her friend. This episode follows the quiet persistence of affection amid the ordinary rhythms of school life.