By Harunadon and raemz. Released in Japan as “Replica Datte, Koi o Suru” by Dengeki Bunko. Released in North America by Yen On. Translated by Andrew Cunningham.

While I’ve very much enjoyed this series, each of the previous four volumes has explored topics related to replicas in some way. What are replicas, why do people have replicas, can replicas fall in love (title drop), and what happens when a human with a replica dies. This led us to the climax of the fourth book, which was about what happens if a replica dies… except no, it did not work out that way, because in the interim Sunao decided to get her life together, move beyond the need for having a replica, and finally grant Nao autonomy so that she could be with the one she loved. The problem, of course, is that the books were mostly written from Nao’s perspective, and so there was a gap of “what actually happened here?” left to be filled. It was fine for the climax of the “main” series, because really all that was waiting for was a dramatic run and love confession, but I’m glad we get to see what happened before: Sunao’s path to loving herself.

The subtitle of this volume is “Side: Original”, and that’s exactly what we get here. We start with Nao’s declaration to Sunao that she’s going back inside her, and just like the reader, Sunao knew that’s exactly what would happen. Fortunately, Sunao decides to simply make Nao vanish rather than fully integrate her into herself. Unfortunately, that means Sunao has to negotiate the rest of her time in high school without a safety valve or a way out, and it’s hard, given that Sunao regards herself as a bad person and thinks no one else could like her. Despite this, over the course of the book, she learns to stand up for herself over her former friends turned bullies, learns to stand up for others, and learns to give support when it’s needed but only the support that’s needed. And she even gets her own love story, with a somewhat unexpected person.

This volume was a lot simpler to read in many ways – replicas barely come up – but that doesn’t mean it was less affecting. Sunao’s POV is suffocating a great deal of the time, especially in the middle of the book when everything seems to be going wrong, and watching her deflect and avoid those problems was not only painful to read but honestly felt a bit TOO familiar. I wondered if she would avoid Ricchan entirely the whole book, regarding it as “she’s Nao’s friend now”, but honestly it ended up being that most of the entire incident in childhood that led to their falling out turned out to be something that Sunao just wasn’t emotionally mature enough to connect the dots on. She gains that emotional maturity here, in a number of really good scenes, and it all leads to a confession that she’s very reluctant to hear, and instinctively wants to reject, simply as she cannot come to terms with why anyone would feel like that about HER. (It’s very important, by the way, that her love interest has, without knowing about replicas, definitely fallen for Sunao and not Nao.)

There’s one last volume, apparently short stories. This feels like the big finale, though. A must read for fans of the series, especially those who watched the anime try to speedrun events as anime often does.