The season finale of "Suki na Ko ga Megane wo Wasureta" begins with Mie-san wearing fashionable glasses instead of the ones she was prescribed. She insists that Komura-kun also wears them that day and even captures the moment with a selfie.

During class, Komura-kun is particularly captivated by Mie-san's hair, which was styled by Maho-chan. In swimming class, he can't stop staring at her, especially noticing her hairstyle. After class, Mie-san's hair is slightly messy, and Komura-kun points out a grain of rice in it, inadvertently admitting that he’s been observing her closely.

Later, the episode touches on the characters' anxieties about upcoming entrance exams and summer break. Both worry they won’t have much time together due to their study plans. On the last day before break, Mie-san finds her lost glasses in a fitting room where she had been shopping. She also runs into an old school friend named Ise, who used to tease her for forgetting her glasses.

The episode culminates at a park slide, where Mie-san insists they slide down together. They take a selfie to remember the moment. Mie-san asks Komura-kun not to forget her during the break, and Komura-kun assures her he’ll keep wanting to see her—even if she forgets her glasses.

A flashback reveals young Mie-san having her glasses stolen by Ise. Another boy helps her find them, and she muses that her future husband should be someone as kind as him—tying into her current feelings for Komura-kun.

The episode leaves viewers anticipating how Mie-san and Komura-kun’s relationship will develop, wrapping up the season on a high note.