Re-Living My Life with a Boyfriend Who Doesn't Remember Me manga volume 1 features story by Eiko Mutsuhana and art by Gin Shirakawa.

Oriana, a seventeen-year-old magic student, suddenly dies alongside her boyfriend, Vincent. However, she returns from death in the body of her seven-year-old self with the memories of her past life intact—except for the knowledge of what killed her. She fantasizes for years about reuniting with her beloved, but when they finally meet, Vincent doesn’t remember her! Can she make Vincent fall in love with her again and avoid the death that started this mysterious time loop?

Re-Living My Life with a Boyfriend Who Doesn't Remember Me manga volume 2 features story by Eiko Mutsuhana and art by Gin Shirakawa.

Seventeen-year-old Oriana mysteriously died along with her boyfriend, Vincent, but she returned from death in her seven-year-old body with her memories intact. Although Vincent doesn't remember her when they meet again, Oriana is determined to protect him in this life and prevent his death. Vincent initially finds her unpleasant, but now, he can't take his eyes off of her…

Re-Living My Life with a Boyfriend Who Doesn't Remember Me manga volume 3 features story by Eiko Mutsuhana and art by Gin Shirakawa.

Vincent, having no memories of Oriana and their past life together, continues to coldly push Oriana away. Despite her repeated attempts to convey her unchanged love, Vincent realizes that her affections are directed at his previous life's self. One day, however, Oriana collapses and becomes delirious with fever, calling for Vince over and over. Seeing her in that state, Vincent decides he must do something, even if it means pretending to be the Vince that Oriana remembers.