

おじいちゃんは少年探偵
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 stuffs and does silly blunders in his daily life with his granddaughter, Hikari.
Grandpa is a Boy Detective has 35 chapters.
Grandpa is a Boy Detective has 5 volumes.
Grandpa is a Boy Detective is currently finished.
Grandpa is a Boy Detective was written by Yoshihisa Inoue.
Grandpa is a Boy Detective was published Not available.
Ranked higher than 66% of all manga on AniTome (out of 30,039)
More popular than 26% of all manga
Yoshihisa Inoue also made