"ToHeart - Remember My Memories" is a 12-episode anime series that serves as a sequel to the original "ToHeart" anime, expanding on the relationships and character dynamics introduced in the first series. The story centers on Hiroyuki Fujita, a high school student, and his interactions with the android Multi, who was created by his childhood friend, Akari Kamigishi. Multi is designed to resemble Akari and is programmed to learn and adapt to human emotions, making her a central figure in the narrative as she navigates her growing understanding of humanity.

The plot explores themes of identity, memory, and emotional growth as Multi begins to develop her own sense of self, distinct from her programming. Her journey is intertwined with Hiroyuki's life, as he grapples with his feelings for Akari and his evolving relationship with Multi. The series also delves into the lives of other characters from the original series, such as Serika Kurusugawa, who continues to struggle with her unrequited feelings for Hiroyuki, and Aoi Matsubara, whose cheerful demeanor masks deeper insecurities.

As the story progresses, Multi's presence creates ripples in the lives of those around her, prompting introspection and emotional growth among the characters. The narrative balances moments of lighthearted humor with poignant reflections on human connections, culminating in a resolution that underscores the importance of understanding and empathy. The series maintains a focus on character-driven storytelling, with each episode contributing to the overarching exploration of relationships and personal development.