Japanese literature The second summer from the right

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Japanese literature
From now on, I am going to pick you up. This is a youth time rip mystery that saves a girl. Kanda Kiri, who has been avoiding contact with people since her childhood friend died in an accident. One day, a mysterious girl who claims to be her younger sister suddenly appears and tells her that she was killed. She tells Kiri that she is shocked. She tells her how to do time rip and asks her to save her older sister.