A Dangerous Jiisan webisode released on CoroCoro Comic's official youtube page for Christmas 2015. In it, Yousuke accidentally breaks Jiisan's handheld game and ends up going on a wacky time traveling loop to fix it.
Jii Coro Comic has finished airing and it has 1 Episodes. It is also Known as: じーコロコミック, Dangerous Jiisan
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