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"I can't save the world!"30-year-old Tsukina was summoned to another world by a spher...
A girl is forced to reincarnate into another world as a savior. She does what she has to do and opens a book shop, keeping her life low-key. ML is her customer, the captain of the knights who is exhausted by dealing with the other savior. She was satisfied with being an anonymous savior but she got a warning from God about the other one.
Ongoing (ch26, updated May)