: On his way home, Amane finds Mahiru stuck in a park after she sprains her ankle while trying to save a cat from a tree.

: Mahiru continues to bring Amane meals as thanks for his help. After Amane admits he’d love to eat her food "freshly made," they agree to a deal where Mahiru cooks in his apartment if he pays for half the groceries. Season 2, Episode 2: "The Start of Summer Vacation"

: After finding her lost student ID, Amane realizes it is Mahiru's birthday. Despite her unusual request for a "fine-grit sharpening stone," he takes advice from friends and gifts her hand cream and a stuffed teddy bear, which she deeply treasures.

If your file refers to the recently released (premiered April 2026), the story shifts to their established relationship as a couple: