Even a Replica Can Fall in Love, Vol. 2 (manga)

It’s the start of summer, which means fireworks, festivals, and…a fateful showdown. Now that the cat is out of the bag, Nao and Aki are getting closer and bonding over the fact that they’re both replicas. Everything seems to be going well until Hayase, the upperclassman rumored to have injured Sanada, confronts Nao…!