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Ojiichan wa Shounen Tantei

Ojiichan wa Shounen Tantei

Ojiichan wa Shounen Tantei Manga Summary

Basically, the teenage detective kiddo was frozen by some EVIL MASTERMIND PROFESSOR back in near-mid-1900’s, and gets unfrozen in the 2000’s by his granddaughter. Hilarity ensues as he encounters weird new stuff and does silly blunders in his daily life with his granddaughter, Hikari.
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