[Machine Translation] I was a "replica," a substitute for something the original didn't want to do, but I lost that role. I am scared because I don't know what Motonao is thinking" With these thoughts in my mind, the season is turning to winter. While Motonao is on a school trip, Aki and I are going to Fujinomiya, Ryo's hometown. While enjoying our first trip to different places, we pick up the pieces to unravel the mystery of the replica mechanism. And I will be confronted with the truth that I never knew, and the feelings that Naoshi had hidden from me. -Nao and Munao. Volume 3 is a turning point for both Nao and Munao.